Multimedia digital exhibition hall solution

　　 Digital exhibition halls, also known as multimedia exhibition halls and digital exhibition halls, are exhibition halls with multimedia equipment combined with 3D digital film technology and interactive sensor equipment as the display technology. Modern exhibition halls have various forms and are generally divided into enterprise exhibition halls, science and technology exhibition halls, party building exhibition halls, science popularization exhibition halls, museums, urban planning exhibition halls, etc

Suzhou Curious Digital Technology Specialty provides digital exhibition hall multimedia construction content:

Data visualization: command hall, large screen interaction; Holographic imaging: holographic fan, holographic screen, phantom imaging, holographic cabinet, virtual host; Mechanical interaction: mechanical arm interaction, interactive slide screen, rotary screen, electrified glass door, led splicing screen, virtual driving; Digital sand table: projection sand table, 3D Mapping sand table; CAVE space: projection of folding screen, arc screen, spherical screen, sky screen, bowl screen, etc; AR augmented reality, VR virtual reality, interactive technology: ground interactive projection, wall interactive projection, somatosensory interactive projection, desktop interactive projection, interactive query, transparent screen query, object recognition, interactive transparent screen, interactive graffiti, etc; Immersive scene interaction, exhibition hall multimedia: naked eye 3d, electronic signature message, image capture, virtual book flipping, virtual driving, knowledge contest, virtual fire fighting, interactive sandbox, interactive query, etc; Hardware integration: central control of exhibition hall, machine room layout, generic cabling, electrified glass, LCD splicing screen, audio, projection, mirror screen, touch screen, navigation robot, curved screen, circular screen, Internet red door, transparent cabinet, holographic cabinet and other hardware integration work; Curious Digital Technology provides users with a full range of services with professional creative design, planning services, integrated construction and after-sales maintenance.

The overall design style of the digital exhibition hall is determined according to the theme of the exhibition hall, which is generally simple, atmospheric and creative, breaking the traditional planning and display mode, and deducing a new display design form and wonderful experience mode.

Summary of multimedia exhibition items in the digital exhibition hall

　　 I Interactive projection:

　　 1. Ground interactive projection

　　 The ground interactive projection is to project the content to the ground through the projection equipment hanging on the top. When the user walks to the projection area, the user's body movements are captured by the capture equipment, and then the action data are analyzed to produce different effects. The visitors can directly use their feet or actions to interact with the virtual scene on the projection screen, The interaction effect will change with your steps. It not only provides users with novel interactive experience, but also enlivens the atmosphere of the place and attracts more users.

　　 Advantages:

1. Simple and flexible operation

The ground interactive projection design is relatively user-friendly. Users can interact simply and flexibly by standing on the ground

2. Multi person interaction

The ground interactive projection can meet the requirements of multiple people participating in the interaction at the same time without mutual interference

3. Wide range of use

The ground interactive projection has a wide range of applications, which can be used in offices, exhibitions, enterprises, shopping malls and other occasions

4. Novel publicity

The ground interactive projection is also a new mode of publicity and promotion. It is interesting and has novel content. It is very popular in all industries

5. Replaceable content

The ground interactive projection can switch the screen at will through the system change. The content is rich and varied,

　　 Composition structure of software and hardware:

Hardware: engineering projector, control host, touch control all-in-one machine, video capture card, infrared camera, multi screen treasure, projector hanger

Software: ground interaction software, projection content, fusion software

　　 2. Wall interactive projection

　　 The principle of the wall interactive projection system is to use multimedia projection equipment to project content onto the wall, capture the action of the participants through the capture equipment (sensors), and then analyze the action data through the image analysis system, combine the action data with the real-time image interaction system, so that the interaction effect between the participants and the screen can be closely combined. The wall interactive projection technology uses modern photoelectric science and display technology to display rich content such as pictures, words, videos, etc., as well as various interesting interactive game content. Users can interact with the content in the projection screen through their limbs, which is very entertaining.

　　 Advantages:

1. High technology content

Advanced modern photoelectric science and display interactive technology are used to make the wall interactive projection bring a full sense of technology

2. Strong interaction

Wall interactive projection can enable users to interact with wall images in a real way, create a fantastic and dynamic interactive experience, and create a closely integrated interactive effect between participants and the screen

3. Focus on popularity

The interactive projection on the wall is presented in a new form of multimedia interaction, which can mobilize the enthusiasm of the audience and facilitate the gathering of popularity

4. Strong compatibility

Wall interactive projection can be customized according to the application site and customer needs, and the size can be expanded or reduced at will

5. Flexibility

The content of the interactive projection on the wall can be flexibly changed, bringing a variety of interactive experiences, which is not boring

　　 Composition structure of software and hardware:

Hardware: camera, LED screen, projection screen, infrared sensor or radar, central control host

Software: wall interactive software, interactive animation

　 　 3. Somatosensory interactive projection

　　 The somatosensory interactive projection system captures the actions and images of participants through the sensing technology of infrared cameras, and recognizes the actions of people. Then the actions of the captured participants are processed through the computer system to produce corresponding interactive effects. The real-time interactive effects can provide users with interesting interactive experiences. At the same time, the reasonable use of the somatosensory interactive projection can also create new business value, so as to improve the influence of the brand.

　　 Advantages:

1. Space interaction

The somatosensory interactive projection does not need to wear any sensing equipment, and truly realizes the non-contact human-computer interaction experience

2. Rich functions and wide range

Based on this system, more kinds of interactive games and effects can be developed, with a wide range of applications

3. Multi person interaction

The experience interaction system can support multiple people to be online at the same time, conduct interactive operations, and participate in physical experience together

4. Personalization

The content can be customized according to the application occasions and customer needs, and it is convenient to update the content

5. Experience upgrading gathers popularity

Creative somatosensory interactive projection brings more exciting experience to users. Interesting games attract users' attention and attract popularity

　　 Composition structure of software and hardware:

Hardware: camera, LED screen, projection screen, infrared sensor or radar, central control host

Software: wall interactive software, interactive animation

　　 4. Desktop interactive projection

　　 Desktop interactive projection is a type of multimedia technology realized by multi touch, interactive software, inductive devices, etc. It uses inductive capture devices to collect the body movements of participants, and then analyzes the collected body movements by the analysis system, so as to create a closely integrated interactive effect between the participants and the desktop screen, and to display new special effects, Desktop interactive projection can generate interactive experience between multiple people and interactive projection content at the same time.

　　 Advantages:

1. Strong sense of technology

The interactive projection of the desktop has a novel appearance, which can achieve a sense of technology by touching the desktop

2. Diversified content

The display content of desktop interactive projection can be customized, and the content is rich and diverse, which fully reflects the diversity

3. Widely used

The desktop interactive projection can be customized, making its application scenarios wide

4. Multi person interaction

Multi touch technology is used in desktop interactive projection to support simultaneous interaction of multiple people

5. High sensitivity

Accurate identification and positioning, rapid response

6. Interesting

It is highly interactive, interesting and entertaining

7. Rich themes and high flexibility

Customizable content, games, pictures, videos and promotional videos can be customized to fully reflect diversity

　　 Composition structure of software and hardware:

Hardware: desktop all-in-one machine or customized table, projector, control host, inductive sensor

Software: desktop interactive software, 3D movies

　　 5. Virtual book flipping

　　 Virtual book flipping is a multimedia display product that simulates real book flipping through virtual book flipping software, projector, simulation book model or all-in-one machine, and infrared sensor or radar. When people turn pages on a book model, virtual books can turn pages, showing a lifelike turning effect and accompanied by sound effects.

　　 Advantages:

1. Win attention

Virtual book flipping is a novel form of presentation, which can make people shine and win attention;

2. Entertainment experience

Virtual book flipping has a strong sense of reality, and you can feel fun while participating;

3. Content richness

The content of virtual book flipping display is relatively rich, and can be illustrated;

4. Query function

The touch screen can query any content in the page;

5. Flexible content

The content can be changed through the system at any time as required, and can also be increased or decreased;

6. Novelty publicity

Virtual book flipping can also be used as a novel way of advertising;

7. Removable

Virtual flipping covers a small area and can be moved to any location.

　　 Composition structure of software and hardware:

Hardware: engineering projector, control host, touch control all-in-one machine, infrared capture system, book model, projector hanger

Software: virtual book turning software, curved surface correction software, book turning content production

　　 6. Spherical screen projection interaction

　　 Spherical screen projection interaction is a new display technology, which uses special optical lens to transform ordinary plane images and project them onto a spherical screen, breaking the limitation of projection only on conventional plane graphics in the past, so as to form a 360 degree omni-directional screen. On this basis, the interaction system is added, It enables the audience to interact through touch.

　　 Advantages:

1. Intuitive three-dimensional shock

The animation and image effect of the ball screen projection projection is more intuitive and stereoscopic than that of the plane projection system, which, together with the stereo effect, brings a more realistic and shocking visual effect

2. Content customization and replacement

The content of ball screen projection projection can be customized according to the specific needs of customers and can be replaced.

3. Various picture sizes

The projection area of the spherical screen can be expanded to any size without limitation

4. Human computer interaction

Spherical screen projection can be designed to add human-computer interaction application modules, which can interact with the audience and provide high-quality experience

5. High technical requirements

Spherical screen projection realizes seamless splicing technology of large size images on curved surface, which belongs to high-end projection technology

6. Innovative

Spherical screen projection is a creative form of projection. With its application in some exhibitions, concerts, and large-scale galas, it has attracted the public to a large extent

　　 Composition structure of software and hardware:

Hardware: projector, spherical screen, short focus lens, fish eye lens, central control host

Software: ball screen fusion software, 3D animation

　 　 2、 Exhibition hall central control system

　　 The central control system of the exhibition hall is a control software between multiple equipment management, abnormal monitoring, remote control and alarm. The central control system of the exhibition hall mainly controls the multimedia equipment in the exhibition hall through the iPad, including the control of light and volume. Each equipment has a separate control menu, which is more high-tech and user-friendly.

　　 Advantages:

1. Convenient management

2. Simple operation

3. Humanization

4. Cost savings

5. High integrated digital control

　　 Composition structure of software and hardware:

Hardware: iPad or mobile phone, touch control all-in-one machine, identification items, central control box

Software: central control software, UI interface design

　　 3、 Digital sand table

　　 1. Multimedia projection sand table

　　 Multimedia projection sand table is a reform and innovation based on the traditional sand table. It is to use the projector to project the produced 3D image onto the physical sand table model, and with the cooperation of sound, light and electricity, create a vivid sand table mode.

　　 Advantages:

1. Realistic and comprehensive display form

2. It is more interactive, dynamic and extensible

3. Can be customized according to customer needs

4. Shocking visual experience

　　 Composition structure of software and hardware:

Hardware: computer, projector, projection arc screen, solid sand table, control host, audio system, touch screen all-in-one machine, wide-angle lens

Software: 3D digital content, fusion software

　 　 2. 3D virtual digital sand table

　　 3D virtual digital sand table is a collection of various comprehensive display platforms integrated with multimedia exhibition, which generally has interactive functions. It combines sound, light, electricity, images, 3D animation and computer program control technology with solid models to achieve a vivid dynamic visual effect.

　　 Advantages:

1. Wide and clear display

2. Advanced display means and high technology content

3. Interesting and interactive

4. Convenient operation and management

5. With query and demonstration functions

　　 Composition structure of software and hardware:

Hardware: projector, sand table model, audio amplifier, wire hanger

Software: 3D digital content, fusion correction software, central control system

　　 4、 Holography

　　 1. Virtual host

　　 Holographic virtual host is to use holographic imaging technology to project a real person or animation to a designated location. Although it is virtual, it is still very real in experience. Compared with the traditional host, it is more interesting and can attract the attention of visitors.

　　 Advantages:

1. Fashionable appearance

The virtual host has a rich display appearance, which is particularly fashionable with the image carrying equipment

2. High technical content

The realization of virtual host adopts a variety of interactive technology types, so the technical content is very high

3. Smooth operation

The virtual host relies on mature interactive software in the use process, so it runs smoothly

4. Intelligent management

Virtual support personnel can carry a large amount of information content and conduct intelligent system management on them

5. Widely used

The personalized display appearance and practical effect of the virtual host make it widely used

　　 Composition structure of software and hardware:

Hardware: projector, control host, holographic film, infrared sensor, camera, transparent screen, audio system, wire

Software: video control software, post production

　　 2. 360 degree display of product holography

　　 There are many product displays in the exhibition hall that need to use holographic technology. Holographic display products can display products more comprehensively. People can learn the details of products by clicking and touching. Setting up in the exhibition hall will also enhance the overall sense of technology in the exhibition hall.

　　 Advantages:

1. Size flexibility, content customization

The size of the holographic cabinet can be customized according to the size of the holographic image, and the content is adjusted according to user needs and display size settings

2. Fashionable and beautiful

The unique shape appearance and three-dimensional holographic display of the holographic cabinet give a beautiful feeling

3. Widely used

The various display forms of the holographic cabinet are rich, allowing the holographic cabinet to gain a lot of development space

4. Vivid and lifelike imaging

It can achieve the combination of video and real objects, and the three-dimensional image of the picture is realistic, not limited by the intensity of ambient light;

5. Gorgeous visual experience

The holographic cabinet uses holographic, free floating and dazzling images to provide a visual experience of both fantasy and reality.

　　 Composition structure of software and hardware:

Hardware: holographic display cabinet, projector, reflection box structure, base box, server

Software: holographic film, broadcast control software

　　 5、 Mechanical interaction

　　 1. Robot arm interaction

　　 The mechanical arm refers to a high-precision, high-speed dispensing manipulator. The mechanical arm is a multi input, multi output, highly nonlinear, strong coupling complex system with flexible operation characteristics. The manipulator system consists of modular manipulator and dexterous hand. With the development of digital science and technology, robot arm+LED screen, robot arm+holographic projection, robot arm+light, etc. are applied in more industry fields. It is because of its own characteristics of great stability and high precision. Combined with computer control, large-scale device works become easier to realize.

　　 Advantages:

Flexible and convenient: the mechanical arm is a multi joint mechanical arm, which is more flexible and convenient to operate

Stable performance: according to the requirements of mechanical movement, the intelligent manipulator has a high standard in terms of its working range and carrying capacity, which ensures the stability of the manipulator's performance

High precision: the high precision of the intelligent manipulator ensures the interactivity of the multimedia manipulator

High reliability: continuous iterative technology research and development, constantly updated products and equipment, more and more improve the reliability and safety of the manipulator.

Strong sense of science and technology: the interactive combination of mechanical arm and multimedia fully demonstrates the sense of high-end technology

　　 Composition structure of software and hardware:

Hardware: motion element, arm, guiding device, led screen

Software: broadcast control software, content, combination software

　　 2. Interactive slide screen

　　 Interactive slide screen means that the motor controls the display screen to glide quietly and stably on a specific slide track. When the slide screen slides to a designated position, it automatically plays pictures, text, video, audio and other related content, and cooperates with the background wall to deeply display and publicize the display information. The audience can also interact with the slide screen display content through touch, body feeling and other ways; The interactive slide screen fully reflects the practicality, interactivity and interest in one. The interactive slide screen has various forms and can accept various types of customization, such as manual slide screen, automatic slide screen, somatosensory slide screen, transparent slide screen, arc slide screen, circular slide screen, floor slide screen, etc; According to the content, place, form, etc. of the exhibition, it is widely used in various fields, in which the amount of information can be displayed is rich, and various exhibition halls are very popular project products.

　　 Advantages:

Large amount of information: the interactive slide screen can display a wealth of information, integrating pictures, text and video, and can display more promotional content, so that users can have a deep understanding of the enterprise

Strong interactivity: the interactive slide screen integrates various effects such as practicality, interest and interactivity. The amazing interactive realization of static and dynamic images can deepen the user's impression.

Good publicity effect: the interactive slide screen, a novel interactive way, will attract more visitors to watch and get a good publicity effect;

Space saving: the interactive slide screen is usually built on the wall, so it is relatively economical for space occupation;

Attracting people: the interactive slide screen is more interactive, and the means to display pictures and videos are more innovative. The advertising effect is stronger, and the content of advanced scientific means is unlimited

Customized size: the length of the interactive slide rail can be customized according to the screen size, the guide rail has good contact, uniform pressure, flexible tracking, and the control recognition system is responsive

Automatic control: the interactive slide screen of automatic control will provide users with convenient content display

Stereoscopic display: the three-dimensional display mode of slide screen system content can well activate the atmosphere of the place

Clear information: clear interactive slide screen display mode, users can quickly understand product information

　　 Composition structure of software and hardware:

Hardware: customized track, plasma LCD, intelligent sensor, light box, control host

Software: control procedure and production content of software development

　　 6、 Special effect cinema

　　 1. Arc screen cinema

　　 Arc screen cinema is composed of digital content, projection system, playback system and integrated system. Different from ordinary cinema, arc screen cinema has a broad vision and a strong sense of experience and immersion. The arc screen cinema can be divided into 120, 150, 180, 270 and 360 degree arcs according to different environments and needs, giving the audience a different shock experience.

　　 Advantages:

1. Strong sense of immersion

2. Strong stereoscopic sense

3. Large picture

4. Clear color

5. High resolution

　　 Composition structure of software and hardware:

Hardware: circular screen, projector, hanger, control host, projection iPad central control

Software: multi-channel fusion software, digital geometry correction software, multi-channel scene synchronization control, video content, nonlinear distortion correction

　　 2. 4D digital cinema

　　 In an immersive environment, 4D digital cinema allows the audience to "feel" the motion, bump, poke, wind, water and even smell of the movie through the motion system built into the 4D cinema system and the synchronized movement of the movie action and special generator on the "feeling" screen of the seat effect.

　　 Advantages:

1. High technological content

4D digital cinema uses 3D technology, special effect equipment, acousto-optic technology and other technologies, which are high in technology and can attract audiences at different levels

2. Immersion and substitution

4D digital cinema has realized three-dimensional images, environmental facilities, and strong picture impact effect, which makes the audience have an immersive sense of substitution

3. Rich themes

The movie content played in 4D digital cinema can be customized, with rich themes and replaceable.

4. Low publicity cost:

The publicity cost of 4D digital cinema is not expensive. Just do some simple publicity, and it will attract people's attention

5. Large potential market:

Audiences are no longer satisfied with the visual experience of ordinary 2D movies, allowing consumers to experience the shocking effect of 4D movies at a small cost

Composition structure of software and hardware:

　　 Hardware: metal hard screen, 4D dynamic seat, engineering projector, snowflake machine, rain machine, fan, fog machine, bubble machine water tank, 4D glasses, central control system

Software: environment special effect control software, host communication synchronization software, 4D movie, fusion software

　　 3. Ball screen cinema

　 Spherical screen cinema is also called dome film. Ultra wide angle fisheye lens is used for shooting and projection. The auditorium is dome shaped, and the screen is hemispherical. The audience is surrounded by it, and the screen looks like the sky. Because the screen image is large and clear, extending from the front of the audience to the back, and accompanied by stereo ring sound, the audience can feel very strong on the spot effect if they are in the middle.

　　 Advantages:

1. Has a strong sense of immersion

2. Shocking viewing effect

3. Clear picture

4. Surround play form

　　 Composition structure of software and hardware:

Hardware: projector, fish eye lens, central control host, short focus lens

Software: 3D digital content, multi-channel fusion software

　　 4. Ring cinema

　　 The ring cinema is to create a shocking visual experience by using 360 degree panoramic ring, and then render an immersive viewing experience with on-site lighting and sound. People only need to stand in the central area of the circular auditorium, surrounded by a wide range of pictures around, and combined with the all-round stereo effect consistent with the film content, to produce a strong sense of immersive.

　　 Advantages:

1. Widely used

2. Immersion

3. Shocking pictures

4. Strong flexibility, playing content randomly

　　 Composition structure of software and hardware:

Hardware: circular screen, projector, hanger, control host, projection IPAD central control

Software: multi-channel fusion software, digital geometry correction software, multi-channel scene synchronization control, video content, nonlinear distortion correction

　　 7、 Interactive touch screen display class

　　 1. Large screen interactive display

　　 Large screen display refers to the display of graphics or images on the large screen. The large screen can be a mosaic screen or a projection screen. The content displayed is clearer and more intuitive, so that the audience can see it at a glance. In addition, interactive modules can be added to allow the audience to interact with the large screen and improve the interest.

　　 Advantages:

1. New display form

The display appearance of large screen interactive equipment is very grand, which can enhance the sense of technology in the exhibition hall

2 Low energy consumption

Large screen interactive devices consume lower power consumption and are green and energy-saving compared with other devices

3 Rich content

The content displayed in the large screen interaction can be customized according to customer needs, which is very rich

4. Interesting interaction

Large screen interaction allows multiple people to interact without interference, which is more interesting in the form of interaction

5. Simple operation

　　 The interactive operation of large screen interaction is very simple, very easy to use, and the experience is guaranteed

　　 Composition structure of software and hardware:

Hardware: LED screen or projection screen, high lumen projector, central control host, infrared sensor or radar sensor, AR camera

Software: 3D animation, interactive software

　　 2. Interactive window

　　 Interactive window refers to projecting an image on the ordinary glass of the glass window. People can click on the image on the glass, and the sensing device will sense the action that people click on, and accurately locate the finger position, control the image to change with people's operation, so that ordinary glass can become a super large interactive screen.

　　 Advantages:

1. Unlimited screen size

2. Long service life

3. Realistic display

4. With touch query function

5. Mysterious shock of user experience

　　 Composition structure of software and hardware:

Holographic imaging film, nano touch film, projector or display screen, server, touch interactive software, etc

3. Electronic signature message

Electronic signature message is a new multimedia message tool, which uses digital handwriting technology, image recognition technology and multimedia software technology to provide a high-tech product integrating signature, photography, message and information circulation. Visitors can write on the LCD screen with a stylus or finger. The written content will be recorded and stored, and equipped with a camera. They can take a photo of themselves for management and other visitors to browse.

　　 Advantages:

1. Handwritten signature

　　 Handwritten signatures can be stored in the electronic signature message system without keyboard input

2. Photo function

The electronic signature message system also has the function of taking photos to provide a variety of experiences

3. Handwriting saving

Various fonts and handwriting can be stored and applied in the electronic signature message system

4. Synchronous display

Signature and photo taking can be centrally displayed on the electronic signature message screen

5. Message browsing

Users can browse the records in the electronic signature message system at will

　　 Composition structure of software and hardware:

Hardware: camera, all-in-one machine, touch box

Software: message software, signature software, photography software

　　 8、 Virtual simulation class

　 　 1. AR Augmented Reality

　　 AR augmented reality is a kind of computer system based integration of real and virtual world images. Wearing AR glasses, you can feel scenes that cannot be presented in real life. Through AR glasses, you can see the virtual or real world, together with the computer generated images projected onto the surface of this world, so that the physical world scene is beyond the user's daily experience.

　　 Advantages:

1. Real time interactivity

AR augmented reality can realize the combination of reality and virtual, human-computer interaction and real-time

2. Wide application range

AR augmented reality has a novel display form and is involved in many industrial fields, such as medical care, commerce, culture and tourism, education and public security

3. Good advertising effect

AR AR has a good advertising effect, and users can quickly remember the product

4. Combination of deficiency and reality

AR AR provides seamless information integration between the real world and the virtual environment, providing users with a deep interactive experience

5. Easy to operate

The operation of AR AR is very simple, and users can quickly master the rules of the game

　　 Composition structure of software and hardware:

Hardware: camera, display device, augmented reality operation terminal, identification items, IPAD, mobile device

Software: AR software, 3D animation

　　 2. VR Virtual Reality

　　 Virtual reality technology is a computer simulation system that can create and experience a virtual world. It uses computers to create a simulation environment. It is a system simulation of multi-source information fusion, interactive 3D dynamic scene and entity behavior that immerses users in the environment.

　　 Advantages:

1. Immersion

VR virtual reality technology can make users have a strong sense of immersion, and can deeply feel the stimulation and pleasure of the virtual world

2. Interactivity

VR virtual reality technology enables users to interact with the content in the scene

3. Multi perception

VR virtual reality technology can stimulate the sense of the user to a large extent, such as hearing, touch, smell, etc., to enhance the experience effect

4. Conceptual

VR virtual reality technology experience can create scenes or environments that do not exist in the objective world, broaden users' cognition, diverge users' thinking, and obtain a more vivid conceptual environment

5. Autonomy

VR virtual reality technology allows users to operate and experience completely independently, and feel the happiness of the unknown.

　　 Composition of software and hardware structure:

Hardware: computer, display device, 3D scanner, sound device, interactive device

Software: three-dimensional images

  Curious Digital Technology always takes advanced technology and innovative ideas as the core power to provide customers with digital showroom multimedia project products and applications for technical exchange and training; Conduct on-site survey and make solutions based on actual project needs and customer needs; One stop services such as collection and sorting of exhibition hall data, software development, scheme customization planning, hardware system integration construction, interactive software development and debugging, film and television production, after-sales maintenance, etc; Sincere cooperation, attentive service, all for your "satisfaction"; To survive with quality and develop with credibility, we are willing to work with you to create a better future!