4. Night View Lighting
LED Lighting Department
Beijing Chontdo Optoelectronics Co., Ltd.(Headquarters)
Guangdong Chontdo Ruisheng Lighting Co., Ltd.
Guangzhou Chontdo Smart Vision Co., Ltd.
LED Creative Display
Multimedia Distribution System
LED Display
Shenzhen CRTOP Co., Ltd.
5. Beijing Chontdo Optoelectronics Co., Ltd. (Headquarters)
Beijing Chontdo Optoelectronics Co., Ltd. is a manufacturer focusing on LED products, euipped with perfect product
development, design, production, project support services and project installation and after-sales and other integrated
service capabilities, as an excellent LED overall application solutions provider. Our business mainly involves LED
display, LED lighting and LED illumination.
The head office is closed to Beijing Capital Airport, located in the beautiful green port city of Shunyi. The company has
30,000 square meters of self-built factories, with 25 patents, 17 software copyrights, 4 registered trademarks, and
more than 10 converted patent achievements. After years of accumulation and progress, the company's products
have reached the leading level of technology in LED industry, owning great advantages especially in the engineering
products. At the same time, the company still pursues continuous technological updates and progress, and continues
to improve its own technical structure and talent pool, maintaining research and development cooperation with
Tsinghua University, China Agricultural University, Central Academy of Fine Arts, North China Electric Power and
other universities.
Beijing Chontdo Optoelectronics Co., Ltd. is the executive director of China Optical Electronics Industry Association
LED display application branch, China semiconductor lighting LED industry unit, the director of Zhongguancun
Semiconductor Lighting Alliance, a member of the national star and fire research project, the national high-tech
enterprises. And we participated in the 2008 Olympic Games, the 2009 60th anniversary of China, the 2010 Shanghai
World Expo, the 2012 National City Games, the 2013 National 860 Spark project, various projects of the 2014 Beijing
APEC conference, the 2016 Wuzhen World Internet Conference project, 2019 70th anniversary of the National Day
parade and 2020 Beijing Zhang line and other large projects. And we won the honor of Huicong network three national
top ten brand in 2017 ,industry association excellent engineering application award in 2018 and Huicong top ten small
pitch brand in 2021. In 2015, we established the Guangzhou branch.
Outdoor Oversized Display Systems
Indoor High Density Small Pitch Display System
LED Display System
IoT Intelligent Lighting System
Indoor and outdoor LED lighting services
LED Lighting
City-level night lighting design
Implementing Nightscape Lighting Project
LED City Lighting Project
Main Business
Energy saving services for heating systems
Solar power grid connection service
Energy saving services for EMC Lighting
Integrated Energy Efficiency Services
6. (Subsidiary)
Company Profile:
SHENZHEN CRTOP CO., Ltd. is a manufacturer focusing on the production and sales of LED display
and LED lamp products, with perfect product research and development, design, production,
project support service and project installation and after-sales service, is an excellent LED overall
application solution supplier. The main business involves LED display, LED lighting and LED
lighting.
SHENZHEN CRTOP CO.,LTD. 's production base is located in Guangzhou, with 30,000 square
meters of self-built plant, modern SMT production equipment and assembly equipment, and
owns 25 patents, 17 software Copyrights, 4 registered trademarks, and more than 10 patent
transformation achievements. After years of continuous accumulation and progress, the
technology of the company has reached the leading level in the industry, especially in engineering
products, but also has a great advantage.
SHENZHEN CRTOP CO.,LTD. 's products cover small pitch LED display, rental screen, indoor and
outdoor LED display, advertising screen, LCD/LED all-in-one conference room, transparent screen,
car screen, 3D screen, energy saving screen, stage screen, etc. Products have passed THE CE Rohs
Fcc EMC Rohs etc, the company's products are favored by customers for their stable quality,
reliable design, beautiful appearance!
SHENZHEN CRTOP CO.,LTD., through years of efforts, customers cover European and American
markets, Asian markets, Middle East markets and African markets, and established a perfect after-
sales channel, to provide customers with good after-sales service experience!
Guangzhou CRTOP CO., LTD. (Subsidiary-Production and R&D base)
NXT fully automatic SMT line
Our Team（International Department）
R & D
7. 1 4
2 5
3
2009-2010
Supplier for the 60th National Day Parade in 2009
Supplier of Shanghai World Expo in 2010
2015-2017
Established Guangzhou branch in 2015
Participated in Shanghai canopy project, exporting Saipan LED ball in 2016
Launching small pitch new products to power in 2017
2018-2022
Industry Association Excellent Engineering Application Award in 2018
The 70th National Day Parade Supplier in 2019
Jingzhang Line in 2020
P0.9COB product application in 2021
2011-2014
2000m2 Beijing office space landed in 2011
National City Games in 2012
National 860 Starfire Project in 2013
Completed the national 863/Starfire project in 2014
1996-2008
Founded in Zhongguancun in 1996
Completed Shunyi factory completed in 2004
Being Beijing Olympic supplier in 2008
Development
l Started in 1996
l 26 years of experience in the LED optoelectronic industry
l 30 LED-related patents
l 20 software product publications
l Undertaken unit of 863 national research projects
8. takes the
principle of efficient response and
professional service to create an elite sales
team with a scale of nearly 100 people, and
the group's marketing and service network
is spread all over the world to enhance the
competitiveness and influence.
Global Marketing Service Network
Asia Pacific Market
Europe Market
South America Market
Production Base
9. Since its establishment, CRTOP has paid great attention to the improvement of its own quality. In recent years, the company
has made breakthroughs in market access and certification. We company has recently obtained the following certificates: Safety
Production License, Environmental Management System Certificate, Health, Safety and Environment System Certificate, Quality System
Certificate, etc.
Qualification Article
10.
11. • Full set of self-developed cabinet, modules and circuits
• More eff icient heat dissipation control - die-casting aluminum cabinet design, unique heat dissipation design,
to ensure the safe and stable operation
• More natural colour reproduction - LED display with 12-14bit grey level with more delicate picture effect
• Standardised case size, allowing any splicing
• Full black lamps, high contrast ratio, more vivid picture, richer colours, bringing a new visual experience.
High consistency, no dead angle and no colour deviation, offering visual feast.
• Allow single point of brightness, chroma correction, to solve the problem of bright colour inconsistency
• The box supports pure front maintenance, more convenient installation and maintenance
• The cabinet supports various installation methods such as back frame installation and stacking frame
installation
• Dual power inputs, when a fault is detected during operation, the system will actively activate the backup
power supply to ensure continuous playback of content
• Dual signal input. Single control card failure does not affect the normal operation of the equipment,
improving product stability
• Support horizontal 140°, vertical 120°, ultra-wide viewing angle, enjoy a new visual feast
• Eliminate residual image circuit design, dynamic without ghosting and trailing
Cabinet Size（mm）：600x337.5mm
Pitch: P0.9375 p1.25 p1.44 p1.5625 p1.875
Cabinet Size（mm）：640x480mm
Pitch: P1.25 p1.538 p1.667 p1.839 p1.86
CAbinet Size（mm）：480x480mm
Pitch:P1.5 p1.667 p1.875
Specification:
Pros：
12. l Ultra-light and ultra-thin die-cast aluminium case with high flatness, only 28mm thick and weighing only
3.2KG.
l Pure front maintenance, fanless and silent.
l standardised box size 600X337.5mm, perfect 16:9 seamless arbitrary splicing, fast installation.
l good consistency of all-black lamp beads.
l display surface can be touched at will, support interactive touch, dust and oil can be wiped at any time using
a rag, easy to clean and maintain, with ultra-hard epoxy encapsulation, anti-shock, pressure, anti-knock, anti-
collision.
l Ultra-wide viewing angle, more than 170 degrees, brightness and colour are consistent at any angle, no
dead angle perfect visual experience.
l High refresh rate, high grey scale, full black light, high contrast ratio.
Pros:
Pitch(mm): P0.78 P0.9375 P1.25 P1.5625
Specification：
13. l More efficient heat dissipation control - die-cast aluminium cabinet design, unique heat
dissipation design, to ensure the safe and stable operation of the product
l More natural colour reproduction - LED display with 12-14bit grey level, more detailed
picture effect
l Standardised case size, allowing any splicing
l Full black lamp, high contrast ratio, more vivid picture, richer colours, bringing a new
visual experience High consistency, no dead angle and no colour deviation
l With a single point of brightness, chroma correction, to solve the problem of bright colour
inconsistency
l The box supports pure front maintenance, more convenient installation and maintenance
l Support back frame installation, stacking frame installation and other installation methods
l Support horizontal 140°, vertical 120°, ultra-wide viewing angle, enjoy a new visual feast
l Eliminate residual shadow circuit design, dynamic no ghosting, no trailing
Pitch: P2 p2.22 p2.34 p2.5 p2.97 p3 p3.076 p3.91 p4 p5
Specification：
Pros：
14. l Using high-grade chip packaging of LED lamps, low grey level and high brightness, fully
ensure the life of the display and display quality; using low turning voltage constant current
driver IC, the advantage of it is to reduce the voltage drop falling on the IC output end
points, improve the power loss of the IC, and thus achieving the effect of energy saving use
of large exhaust air volume AC fan, reasonable arrangement of components to improve the
uniformity of heat dissipation. The 3.8V and 2.8V power supplies are separated according
to the principle of low Vf for R lamps, reducing the excess voltage drop by 30%. The
system sets up automatic brightness adjustment function, which can automatically adjust
the brightness of the screen with the ambient brightness, saving energy dynamically.
l Support 4.2V~5V and 2.8V/3.8V modes of power supply, more flexible power supply
options, and no risk of burning the module by mixing power supplies.
l Support for a wide range of module sizes, with flexible matching.
l Standard with 1920-3840Hz refresh rate, more delicate and smooth video images.
l Diversified applications in commercial real estate, shopping centres, large squares, outdoor
advertising screens, traffic screens and other fields
l Good sealing of the cabinet, the whole cabinet can achieve the IP65 dustproof and
waterproof grade
Pitch: P2.5 p3 p3.076 p4 p5 p6 p8 p10
Specification：
Pros：
15. l 1: Special angle lock for a variety of creative shape splicing, applied to
a variety of occasions
l 2: Mixed splicing compatible modules, and different cabinets support
mixed splicing
l 3: High quality module supporting front desk service
l 4: Up and down fast lock single quick installation
l 5: Support staggered splicing cabinet up and down left and right
staggered half, to create a magical stage
500x500mm、500x1000mm（Indoor）
Pitch:P2.6 p2.97 p3.91
500x500mm、1000x500mm（Outdoor）
Pitch:P2.6 p2.97 p3.91 p4.8
576x576mm(Outdoor)
Pitch:P4.8
Specification：
Pros：
16. Size：320X160 Pitch(mm)：P1.53 P1.66 P1.83 P2
Size：300X168.75 Pitch(mm)：P1.875 P2.34
Specification：
Pros:
l The base shell is 13mm in thickness, with a classic black appearance, thin and
elegant;
l Keeping the minimum error to ensure perfect splicing, making the screen more flat
and easier to install and splice
l Using aluminium makes the structure solid and not easily deformed, and the good
thermal conductivity makes the module easier to dissipate heat and more stable
under high and low temperature changes.
l The aluminium chassis back cover is snap-in, making it easier to install and
dismantle for maintenance while ensuring accuracy.
l The alignment is simple and orderly, in contrast to the clutter of a conventional
module with magnetic suction Android
l In order to make the big TV better installation connection, independent design open
moulded corner connection, connect the structure profile and outer frame, it can
better ensure the installation quality and shape precision
17. l Seamless splicing of the whole screen as one
l Close to the real colour reproduction, more comfortable viewing
l Blue light filtering technology, through the TUV low blue light certification, effectively
reduce the damage of blue light to the human eye
l 178 degree wide viewing angle in horizontal and vertical directions.
l Ultra high protection against dust, shock, impact, frontal water, moisture and oxidation
l Ultra-high contrast ratio.
l Enclosure video interface, 2 HDMI inputs, 1 HDMI ring out, no external transmitter
required
l Enclosure control interface, 1 RS232 input, 1 RS232 ring out, bus control mode
l 55" high precision die-cast aluminium 16:9 cabinet
l Nanosecond response time, fast dynamic performance
l Latest flip-chip COB packaging process for smaller spacing and higher stability
l Fanless design, 0dB operation sound, relying on its own aluminium structure, to dissipate
heat to the screen body, to give you a quiet environment
l The screen body is < 63mm thick, saving the maximum installation space on site,
supporting vertical, hanging and wall mounting
l Long service life of 100,000 hours, high stability and long service life; no consumables
design, lifetime free of replacement costs
Specification:
Pros:
Pitch(mm)：P0.9375 P1.25 P1.44 P1.5625 P1.875 P2.34
18. l LED transparent display is light, thin and transparent. The modular design of the
product structure makes it easy to splice the cabinet size into various sizes.
Applications include stage choreography, car shows, concerts, exhibition centres,
hotels and theatres, commercial shopping centres, etc.
l Adaptable to all types of buildings, no damage to the building façade and structure,
easy to install, support front and rear installation and maintenance
l 60%-75% permeability, does not affect indoor ventilation and lighting, while ensuring
clear images
l Transparent LED display with simple and stylish design and innovative technical
elements Improve advertising effectiveness and highlight your brand
l Durable cabinet material in polymethyl methacrylate + super composite
l Transparent screen with ultra-thin dimensions and ultra-light modules for easy
portability, transport and installation Everything is built in and only requires a simple
screwdriver to install in a few minutes
l Special design for good heat dissipation and no noise
Pitch: P2.6-5.2mm p3.9-7.8mm
Module size：500*125mm
Specification:
Pros:
19. l It is a video playback device with high brightness, high colour rendering coefficient,
automatic brightness adjustment with temperature sensing device, etc. It can also precisely
control the terminal LED advertising machine, adapt to Windows, Android, IOS system, with
remote power supply, power off, timer switch, digital screen synchronization, ambient light
sensor, real-time environmental monitoring (temperature, humidity, wind speed, wind
direction, noise, PM2.5, PM10), etc. wind direction, noise, PM2.5, PM10) and other
functions.
l This LED light pole screen box adopts a unique design, simple and generous, novel and
beautiful shape. Standardised modules are used for assembly and the surface of the light is
glued and waterproof, fully meeting the use of outdoor environment. As it is installed on the
light pole, it is designed with a special installation structure for perfect integration with the
light pole, making the installation process simple and quick, and maintenance convenient.
l As a smart city terminal, the LED smart light pole screen has real-time information release
function, which can instantly release emergency information and automatically generate a
play log; content split screen display function, i.e. a screen body can simultaneously play
text, video and pictures; fixed-point placement function, content fixed-point play, can play
different content on the same screen, different screens play the same content.
Specification:
Pros:
Pitch(mm)： p1.856 p2.5 p3 p4
20. l It integrates the Internet, Internet of Things, remote interaction and other functions, with high brightness, high
colour rendering coefficient, self-contained temperature-sensing device can automatically adjust the
brightness of the video playback device; can also accurately control the terminal LED advertising machine,
adapted to Windows, Android, IOS system, with remote power supply, power off, timing switch, digital screen
synchronization, ambient light sensor, real-time environmental monitoring (temperature, humidity, wind
speed, wind direction, noise, PM2.5, PM10) and other functions. wind speed, wind direction, noise, PM2.5,
PM10) and other functions.
l 2,This LED light pole screen box adopts unique shape design, simple and generous, novel and beautiful
shape. Standardised modules are used for assembly and the surface of the light is waterproof, which
completely meets the use of outdoor environment. As it is installed on the light pole, it is designed with a
special installation structure for perfect integration with the light pole, which makes the installation process
simple and quick and maintenance convenient.
l 3,As a smart city terminal, the LED smart light pole screen has real-time information release function, which
can instantly release emergency information and automatically generate a play log; content split display
function, i.e. a screen body can simultaneously play text, video and pictures; fixed-point placement function,
content fixed-point play, can play different content on the same screen, different screens play the same
content.
Specification:
Pros:
Pitch(mm): P2.5 p3 p4
21. l Internet remote cluster control asynchronous one-to-one control
l Real-time screen synchronisation
l New performance and experience
l Ultra-high picture accuracy
l Ultra-wide HD viewing angle
l High-brush display
l Narrow Bezel Lightweight Easy to Move
l Post-maintenance Robust and reliable
Pitch(mm): P1.25 p1.538 p1.839 p1.86 p2 p2.5 p3.076 p4
Overall machine size (mm): 1985*644.8*43
Weight (kg): 30.45
Continuous working time：≥72Hrs
Pros:
Specification:
22. Specification:
l 1. The screen is designed with a light bar grid, with good light transmission
l 2. HD colour display, presenting richer and more vivid content
l 3. High brightness, self-adjusting, all-weather application
l 4. Strong flexibility, wide release area, high communication rate
l 5. Mature and stable control system, easy to use, powerful processing performance
Pros:
Pitch: P2.6-5.2mm
23. l Flexible LED displays can be used outdoors and indoors, with light transmission and certain decorative effects Shaped LED electronic screens can be
used outdoors and indoors, with light transmission, displaying larger pixel distance and certain decorative effects.
l Display unit after special processing, can be assembled into the inner arc display surface shape, outer arc display surface shape, inner round display
surface shape , S display surface shape, spherical shape and other kinds of shaped screen, there are ordinary conventional display can not achieve the
display effect.
l The wires are made of high and low temperature silicone, with professional waterproof joints, professional design and elaborate full sealing waterproof
structure protection level of IP65 can adapt to a variety of indoor and outdoor temperature and humidity environment, can work in the rain.
l Flexible LED display equips with bar-shaped display unit, strong visual impact and high safety factor.
l The viewing angle of the shaped LED electronic large screen is 360 degrees, playing video in all directions, without the perspective problem of flat LED
electronic large screen.
l Multiple pixels in series or parallel can achieve full-colour display, and can clearly play video, shaped LED electronic large screen is equipped with
professional audio and video processing system, support a variety of external signal access, can realize live broadcast;
l LED flexible display has the advantages of light weight, good wind resistance, easy installation, good heat dissipation performance, easy front
maintenance, good waterproof performance, good seismic performance, low cost of auxiliary installation frame, fanless and silent, etc.
24. Specification:
l The base shell, mask, power cable and signal cable of the LED floor tile screen module are
specially designed and equipped with waterproof and moisture-proof materials, made of raw
materials with low moisture absorption coefficient and sealed for many times, with good
waterproof and moisture-proof functions.
l LED intelligent interactive floor tile screen cover is made of imported PC material, which has
high wear resistance and flexibility, as well as good resistance to high and low temperature. And
designed according to the principle of mechanics, it has better anti-slip and load-bearing
functions.
l Floor-mounted, rail-mounted, steel-frame, raised floor and recessed installation, suitable for a
wide range of applications.
l Intelligent sensor design for an immersive experience. Easy installation without external
interactive devices (unique to FDQ)
l Special heat sink designed by professional R&D team to achieve better silent heat dissipation.
Pros:
CAbinet Size: 500*500 500*1000
Pitch: Indoor P2.97 P3.91 P4.81
Outdoor P3.91 P4.81
25. l 28mm of slim body thickness, fashionable and simple slim bezel-less design; screen occupancy ratio of up to 95%, broader visual
extension, showing high-end atmosphere; screen body using die-casting aluminum structure design, high precision, light weight,
good heat dissipation; full front maintenance, integrated design, no traditional external; power supply, receiver card, adapter board
three-in-one design, stable performance; software and hardware independent research and development, strong compatibility
l 16:9 display ratio, low brightness and high grey, fine picture without loss; 2K-4K high-definition resolution, 12-14bit high-order grey
scale, high contrast 1920-3840Hz high refresh, a variety of display sizes, multi-scene applications, restore the highest definition of
the visual world, enjoy the best viewing experience
l Conference application integrated control scheme design: local meeting, remote meeting, screen sharing, synchronous marking
content computer, mobile phone, tablet multi-platform wireless screen, up to support four screens with the same display, interaction
more convenient; a key switch, with status indicator; support remote control, simple and convenient operation, brightness, colour
temperature, contrast, volume adjustment, signal source switching; convenient conference centre control, more Convenient control of
the all-in-one terminal
l Test mode selection and other functions support 1-channel 4K-60FPS decoding or up to 4-channel HD decoding at the same time,
support 1-channel USB3.0, 2-channel USB2.0 expansion interface; support 2-channel HDMI input signal, support multi-screen
display, support up to 2 input windows display (2-channel HDMI + built-in player); built-in Android 9.0 OS, customers can install
applications according to Built-in Android 9.0 OS, customer can install applications as required; can be controlled via remote control;
supports 4G, WiFi (2.4G/5G), WiFi hotspot (2.4G/5G), Gigabit LAN port, 3.5mm standard audio output, SPDIF, built-in speakers
l Wall-mounted, mobile bracket installation, to meet the needs of different environments; LED conference screen without construction,
segmented assembly structure unit design, reduce the user's on-site work process, support 2 hours of rapid wall mounting, with high-
precision die-casting aluminum box, segmented unit structure without the need for leveling calibration seams
108" 136" 162" 216
Specification:
Pros:
26. l Super large screen, 4K ultra high definition, high contrast, high saturation, high resolution, alternative to
traditional projection display, presenting an unprecedented visual spectacle
l Highly accurate writing screen, extremely fine writing is still unobstructed, intelligent one-key writing, erasing,
colour changing, zooming in and out, comparable to the paper writing experience, high precision touch,
smoother touch experience
l Synchronisation of large and small screens, interactive screen casting, using mobile phones, tablets, notebooks
to cast the screen to the all-in-one machine, conference speakers can remotely move to interact with the content,
two-way sidebar settings menu, as convenient and fast as a smartphone
l 12MM ultra-narrow bezel, comes with Bluetooth connectivity, built-in 6-channel cinema-grade surround sound, 8
million cameras, 4-way pickup
l Two front USB channels, one of which is dual channel identification, front smart pen adsorption slot, no screw
instant adsorption, easy to operate
l One key to summon whiteboard software 2048 level original handwriting book, one key to summon PPT (up and
down page, the whole annotation, office to save the original ecology)
l Multi-functional intelligent stylus 4 big flying mice (magnifying glass, air mouse, spotlight, laser pointer)
l Support 1 channel 4K-60FPS decoding or up to 4 channels HD decoding at the same time, support 1 channel
USB3.0, 2 channels USB2.0 expansion interface; support 2 channels HDMI input signal, support multi-screen
display, support up to 2 input windows display (2 channels HDMI + built-in player)
l Built-in Android 8.0 embedded system, customers can install applications as required; can be controlled by
remote control
l Support 4G, WiFi (2.4G/5G), WiFi hotspot (2.4G/5G), Gigabit LAN port, 3.5mm standard audio output, SPDIF,
built-in array speakers
Specification:
Pros:
65" 75" 86" 98
27. Small conference room 30-60㎡ Medium to large meeting rooms 60-200㎡
Multifunctional hall over 200㎡ Lecture Hall/200㎡ or more
l Small meeting rooms 30-60㎡
l Medium and large meeting rooms 60-200㎡
l Multi-functional hall 200㎡ or more
l Lecture hall 200㎡ or more
28.
29. o.9mm COB small pitch (indoor) P1.875 small pitch (indoor)
P1.667mm-20㎡ small pitch (indoor）
Small pitch (indoor) p1.25-22㎡
Small pitch (indoor) P1.923 small pitch (indoor)
30. Outdoor p6 full color display
P10 Energy saving screen (180m2)
p5--160㎡
Outdoor p8 full color display Outdoor p16 right-angle screen 420m2
p4
32. In 2016 New Hualian Shanghai Centre 1500m2 Canopy
33.
34.
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