Among many LED display manufacturers, which brand is more worth choosing?

LED display is a flat panel display, which is composed of small LED module panels.

LED, light emitting diode (short for light emitting diode). It is a diode made of gallium (Ga), arsenic (As), phosphorus (P), nitrogen (N) and indium (In) by controlling the display mode of a semiconductor light-emitting diode. When electrons and holes recombine, they can emit visible light, so they can be used to make light-emitting diodes. Used as an indicator light in circuits and instruments, or as a text or digital display. Gallium arsenide phosphorescent diodes emit red light, gallium phosphide diodes emit green light, silicon carbide diodes emit yellow light, and indium gallium nitride diodes emit blue light. LED display screen is generally used to display text, images, videos, video signals and other information.

Top Ten Brand Enterprises of LED Display in China

sequence

brand

name of the company

1

Sans Sans

Shanghai sansi electronic engineering co., ltd

2

Zhou Ming you ni Lu Ming

Shenzhen zhouming technology co., ltd

three

Liard leal

Liard photoelectricity co., ltd

four

Lian Jian photoelectricity Lian electronic

Shenzhen Lian Jian photoelectricity co., ltd

five

Ruituo Ruituo

Shenzhen ruituo display technology co., ltd

six

Abisen Abusen

Shenzhen aibisen photoelectricity co., ltd

seven

Lop lop

Nanjing luopu co., ltd

eight

Song Qing QSTECH

Xi ansongqing technology co., ltd

nine

Mindray

Shenzhen mairui photoelectricity co., ltd

10

Lehman Lederman

Shenzhen leiman photoelectricity technology co., ltd

Note: The above rankings are in no particular order.

1, Shanghai sansi electronic engineering co., ltd.

Shanghai Sansi Electronic Engineering Co., Ltd., which was appraised by foreign media as the second largest service provider of LED display, LED lighting and its application system in the world, was established in 1993, with more than 1700 employees, developing, producing and selling LED display and lighting products and their application solutions, with the total contracted sales in 20 1068.

The company has a comprehensive R&D team of more than 400 people, with multiple disciplines and specialties. The independent innovative products successfully developed mainly include LED display screen with high resolution, high efficiency, energy saving and reliable operation, LED engineering lighting series with good heat dissipation and reasonable light distribution, indoor LED lighting series headed by LED bulb lamp that completely meets the requirements of replacing 100W incandescent lamp, and LED marine lamp series with independent patents that meet the certification requirements of classification society. High-definition and high-definition medical surgery LED shadowless lamp and 3D medical live broadcast system, ultra-high-density and small-pitch LED display screens leading peers, intelligent LED street lamps integrating the concept of smart city, and corresponding application solutions of the above products, the market share of many products exceeds 60%.

Shanghai sansi electronic engineering co., ltd.

unify social credit code

9 13 10 1 12756 100730 r

Organization code

756 100730

registration number

3 10 1 12000763034

management forms

final

Company type

Limited liability company (natural person investment or holding)

Date of establishment

2003- 1 1-05

legal representative

Chen Bishou's legal person's foreign investment

operation cycle

2003- 1 1-05 - 2023- 1 1-04

registered capital

200 million RMB

date of issue

2003- 1 1-05

Registration agency

Minhang district market supervision management bureau

Enterprise address

No 1280 Shuying Road, Minhang District, Shanghai

scope of business

Engaged in R&D, production, sales, installation and after-sales service of LED display screen, lighting and its application technology, and R&D, production, sales, installation and maintenance services of switching power supply, video processing equipment and electrical control cabinet. Technical service, technical consultation, technology development and technology transfer in the fields of computer, automatic control, communication, instrument and its system integration, monitoring system engineering construction, electronic audio-visual engineering, large-screen electronic display engineering, intelligent building engineering design and construction, lighting engineering design and construction (with qualification certificate), engaged in the import and export business of goods and technologies, contracted energy management, and produced 6854 surgical lights of medical devices. Projects that must be approved according to law can only carry out business activities after being approved by the relevant departments.

2. Shenzhen Zhouming Technology Co., Ltd.

Shenzhen Zhouming Technology Co., Ltd. (stock code 300232) was established in 2004 and successfully listed on 20 1 1. Zhou Ming Technology is a state-level high-tech private enterprise integrating LED product research and development, manufacturing, sales and service. At present, the main business includes LED high-definition energy-saving full-color display and LED energy-saving lighting. The company is committed to providing customers with high-quality and high-performance LED application products and services in line with the beautiful vision of "showing a brilliant world and lighting up a happy life".

Zhouming Technology has a complete R&D, manufacturing, sales and service system, independent production bases of modern workshops and automated production equipment, and three production bases of Pingshan Phase I, Pingshan Phase II and Huizhou Zhouming Science and Technology Industrial Park, with a total area of about 265,438+0,000 square meters. In addition, the company also recruited a large number of high-quality professional R&D, production and sales personnel. At present, the company has all kinds of professional skills employees 1280 people.

Brief introduction of Shenzhen Zhouming Technology Co., Ltd.

unify social credit code

9 1440300767579994J

Organization code

767579994

registration number

440306 102907968

management forms

final

Company type

Listed company limited by shares

Date of establishment

2004- 10-26

legal representative

Lin Mingfeng's legal person's foreign investment

operation cycle

sustainable management

registered capital

628,834,703 yuan

date of issue

20 17-04-24

Registration agency

Shenzhen Municipal Market Supervision Management Bureau

Enterprise address

Block A, Yongfu Road 1 12, Qiaotou Community, Fuyong Street, Baoan District, Shenzhen

scope of business

Sales of LED display screen, LED lighting and LED lighting; Engineering installation; Development and sales of electronic products, software and hardware; Software and hardware development and sales of LED photoelectric application products; Energy consumption diagnosis, energy-saving transformation, energy-saving project design, energy management contract, energy-saving technology promotion and service; Information system integration and software development; The establishment of industry (specific projects shall be declared separately); Domestic trade (excluding franchised, monopolized and controlled goods); Engaged in import and export business. (The above items do not include those prohibited by laws, administrative regulations and the State Council regulations and requiring pre-approval). Production of LED display screen, LED lighting and LED lighting; The production of electronic products.

3. Liard Optoelectronic Co., Ltd.

Liard Optoelectronic Co., Ltd. was established on 1995 and successfully listed on Shenzhen Stock Exchange on March 20 12 (stock code: 300296) with a registered capital of 755 million yuan. Since the establishment of 2 1 year, it has been focusing on LED applications. Is a set of LED display and lighting application design, production, sales and service in one of the high-tech enterprises, for the Liard Optoelectronic Group.

With high-quality products, leading technical level and first-class service ability, Liard has established a good brand reputation in the industry. The key high-tech enterprises in the National Torch Program were awarded the "Zhongguancun National Independent Innovation Demonstration Zone-Innovative Pilot Enterprise" by Beijing Municipality and the Ministry of Science and Technology, and the first batch of key cultivation enterprises in the Gazelle Program were awarded by Beijing Municipality. Its products have extensive customer resources and good reputation in railway transportation, urban rail transit, road transportation, civil aviation transportation, military, radio and television, energy, commercial real estate, government agencies, stadiums, advertising media, financial institutions, industrial and commercial enterprises, commercial lighting and other market segments.

Brief introduction of Liard photoelectric co., ltd

unify social credit code

9 1 1 10000600039822g

Organization code

600039822

registration number

1 100004 10 105629

management forms

final

Company type

Limited by Share Ltd (listing, natural person investment or holding)

Date of establishment

1995-08-2 1

legal representative

Li jun's legal person's foreign investment

operation cycle

1995-08-2 1 - -

registered capital

8 14455325 RMB

date of issue

20 16- 12-29

Registration agency

Beijing Administration for Industry and Commerce

Enterprise address

No.9, Hongqi West Street, Beizheng, Summer Palace, Haidian District, Beijing

scope of business

Production of electronic display equipment and integrated circuit products; General cargo (the general cargo transport license is valid until April 22, 20 17); Develop and produce information display management systems, software products and integrated circuit products; Engineering installation, debugging, maintenance, leasing and technical consulting services of self-produced products; Sales of electronic display products, lighting products, electronic identification products; Computer system services; Import and export of goods; Technology import and export; Designing, producing, displaying and publishing advertisements; Technical inspection and testing of electronic display products and lighting products. (Enterprises independently choose business projects and carry out business activities according to law; Projects that must be approved according to law shall, after being approved by the relevant departments, carry out business activities in accordance with the approved contents; Shall not engage in business activities of projects prohibited and restricted by the industrial policies of this Municipality. )

4. Shenzhen Lian Jian Optoelectronics Co., Ltd.

In recent years, based on the original main business, advanced LED display manufacturing technology and business cooperation with downstream media owners, the company has actively expanded vertically to the downstream advertising media industry, and actively laid out for becoming a "digital outdoor media group". On June 20 12, the company established Liantong Culture (Beijing) Co., Ltd., dedicated to building a national urban landmark outdoor LED advertising network, and completed the first step from "equipment" to "media".

20 13 12, the company announced the acquisition of 0/00% equity of Sichuan timeshare advertising media co., ltd., the largest outdoor advertising media agency in China, and successfully built an outdoor media resource platform, completing the second step from "media" to "service". 2065438+September 2004, the company announced the acquisition of Shenzhen Yishida Electronics Co., Ltd., a company listed on the New Third Board, and continued to consolidate the leading research and development capability of LED communication equipment technology, striving to become the largest LED communication equipment manufacturer in China; At the same time, it acquired 0/00% equity of Shanghai Youtuo Public Relations Consultant Co., Ltd., entered the public relations communication and digital service industry in the upstream of the advertising chain, opened up digital communication channels, formed an online and offline integrated communication pattern, and realized the third step from "media" to "public relations". 2065438+April 2005, the company announced the acquisition of 28.4% equity of Shenzhen Precision Focus Media Co., Ltd., a leading integrated mobile marketing service provider, which added mobile interactive marketing, mobile advertising services and strong customer resources to the industrial chain of the company's "Digital Outdoor Media Group".

Brief introduction of Shenzhen Lian Jian photoelectric Co., Ltd.

unify social credit code

9 14403007488688 1 16

Organization code

7488688 1 1

registration number

44030 1 102827 108

management forms

final

Company type

Listed company limited by shares

Date of establishment

2003-04- 14

legal representative

Liu legal person's foreign investment

operation cycle

sustainable management

registered capital

66438+0368+05438+00,000 RMB.

date of issue

20 16- 10- 14

Registration agency

Shenzhen Municipal Market Supervision Management Bureau

Enterprise address

Floor 2, No.4 Factory Building, Antongda Industrial Factory Building, Liu Xian 3rd Road, Zone 68, Baoan District, Shenzhen.

scope of business

Sales of light-emitting diode (LED) display screen and its application products; Rental, installation and after-sales service of LED display screen; Domestic commercial and material supply and marketing industries (except for franchised, specially controlled and monopolized goods); Electronic product technology development (excluding restricted projects); Engaged in import and export business (specifically, subject to Shenzhen Trade Operation Qualification Certificate No.2003-738); Engaged in advertising business (if laws and administrative regulations stipulate that advertising business should be approved and registered, it can only be operated after being approved and registered separately); Computer application software development, system integration and related services (excluding restricted items). Production of LED display screen and its application products.

5. Shenzhen Ruituo Display Technology Co., Ltd.

Shenzhen Ruituo Display Technology Co., Ltd. was established in 1997. From the initial production of LED modules and devices, we began to develop and manufacture LED full-color display screens in 2000, and entered LED lighting in 2009. Ruituo focuses on serving a series of specialized markets-advertising and brands, stadiums, large-scale activities and entertainment, LED lighting and decoration, and provides various LED application product solutions. Today, Ruituo's LED video products are widely used in dozens of countries around the world, constantly emerging in internationally renowned events and occasions, capturing and focusing the imagination of millions of viewers.

With the continuous innovation of technology and the continuous improvement of manufacturing system, Ruituo has set up many classic cases that have stood the test of time in the international market and become one of the representatives of international LED application products "Created in China" and "Made in China".

As a subsidiary of Dehao Runda (stock code: 002005), a listed group focusing on LED business, Ruituo entered a brand-new accelerated development period after 2008. Relying on the capital platform of listed companies, Ruituo focuses on upstream and downstream industry integration, R&D strength enhancement, large-scale standardized mass production, software and hardware innovation, and continuous improvement of service system. Ruituo's positioning is to become a global supplier of integrated LED solutions.

Shenzhen ruituo display technology co., ltd.

unify social credit code

9 1440300774 104 188 b

Organization code

774 104 188

registration number

440306 10333 1077

management forms

final

Company type

Limited liability company (sole proprietorship)

Date of establishment

2005-04- 14

legal representative

Foreign investment of legal person in Zhanggang

operation cycle

sustainable management

registered capital

43.33 million yuan

date of issue

20 16-04-07

Registration agency

Shenzhen Municipal Market Supervision Management Bureau

Enterprise address

The second and third floors of Building A, Sanlian Industrial Zone, Tangtou Community, Shiyan Street, Baoan District, Shenzhen

scope of business

Sales of LED modules, LED modules, LED digital tubes, LED light emitting tubes, LED lighting and LED system display screens; LED display rental; Import and export of goods and technology. (The above projects do not include the production of LED modules, LED modules, LED digital tubes, LED light-emitting tubes, LED lighting and LED system display screens, which are prohibited by laws, administrative regulations and the State Council and need pre-approval).

6. Shenzhen Abisen Photoelectric Co., Ltd..

Shenzhen Abisen Optoelectronic Co., Ltd. (stock code 300389) specializes in LED display business. Products are exported to America, Europe, Australia, Asia, Africa and other countries and regions 120, and are widely used in American NBA games, World Club Cup, European Cup, presidential press conference, high-end shopping malls, luxury brand stores, national television and other fields.

Aibisen has successively won the titles of "National High-tech Enterprise", "Guangdong Contract-abiding and Credit-abiding Enterprise" and "Shenzhen Famous Brand", and has passed the ISO900 1 quality management system, ISO1400/environmental management system, QC080000 hazardous substance process management system and OHSAS/KLOC.

Brief introduction of Shenzhen abisen photoelectric co., ltd.

unify social credit code

9 144030073 1 127582 r

Organization code

73 1 127582

registration number

440307 10306488 1

management forms

final

Company type

Listed company limited by shares

Date of establishment

200 1-08-23

legal representative

Ding's enterprise's foreign investment

operation cycle

200 1-08-23- sustainable management

registered capital

365,438+0,925,438+0.8 million RMB.

date of issue

20 17-0 1- 19

Registration agency

Shenzhen Municipal Market Supervision Management Bureau

Enterprise address

Floor 20 18, Block A, Tianan Yungu Industrial Park, No.20 18, Xue Gang Road, Bantian Street, Longgang District, Shenzhen.

scope of business

The establishment of industry (specific projects shall be declared separately); R&D and sales of LED electronic display screens, LED lamps and LED lighting products, and computer software development (excluding the above prohibited and restricted items); LED lamp installation project (can be operated only after obtaining the qualification certificate of the competent construction department); Installation, maintenance, technical consultation and lease of electronic equipment and self-produced products; Energy-saving engineering design, technical consultation and service; Conference services; Import and export of goods and technologies (except for items prohibited by laws, administrative regulations and the State Council's decision, restricted items can only be operated after obtaining permission). Production and processing of LED electronic display screen, LED lamp and LED lighting products; Advertising (if laws, regulations and the State Council stipulate that advertising business needs to be approved separately, it can only be operated after obtaining permission).

7. Nanjing Lop Company Limited by Share Ltd.

In the late 1980s, Nanjing Luopu Co., Ltd. originated from the 14th Research Institute of China Electronics Technology Corporation, and was the earliest institution in China to develop and produce large LED display screens. Lop is mainly engaged in the development, system design and engineering contracting of software and hardware products related to LED display system, intelligent engineering and computer information system integration, intelligent transportation system, industrial automation control system, microwave darkroom and other fields, as well as the development of cable components.

From 65438 to 0994, when it was restructured into a joint-stock company, Lop took a key step towards a modern enterprise. In the following twenty years, Lop not only continued to lead in the field of LED display screen, but also gradually developed into a well-known system integration supplier in China, and obtained two first-class qualifications for electronic engineering and intelligent building engineering awarded by the Ministry of Housing and Urban-Rural Development, a first-class certificate for electronic engineering (electronic system) engineering design in electronic communication, radio and television industry and a first-class certificate for intelligent building system engineering design. And the second-class qualification of computer information system integration granted by the Ministry of Industry and Information Technology, and passed the certification of ISO900 1 quality management system and ISO 1400 1 environmental management system.

Nanjing luopu co., ltd.

unify social credit code

9 1320 19 1 13497 19027

Organization code

13497 1902

registration number

320 19 1000002866

management forms

be employed

Company type

Limited by Share Ltd (unlisted)

Date of establishment

1994-06- 16

legal representative

Jiang Weibo's legal person's foreign investment

operation cycle

1994-06- 16 - -

registered capital

30 million RMB

date of issue

20 17-03- 14

Registration agency

Nanjing Administration for Industry and Commerce Nanjing High-tech Industry Development Zone Branch Bureau

Enterprise address

No. Xinkesan Road 1 Nanjing High-tech Industrial Development Zone

scope of business

Development, production and sales of LED display screens, electronic products, communication products (excluding ground satellite receiving equipment), computer software and hardware and accessories, wave absorbing materials and components; Design and project contracting of building intelligent system engineering, microwave darkroom and antenna measurement system engineering, electronic system engineering and interior decoration engineering; Design, production, sales and project contracting of lighting engineering related products; Expressway communication, monitoring and charging integrated system engineering (high-speed) design and project contracting; Technical advisory services; Engaged in the export business of self-produced products and related technologies of the enterprise; Engaged in the import business of raw and auxiliary materials, machinery and equipment, instruments and meters, spare parts and related technologies needed for the production and scientific research of this enterprise; Contracting overseas electronic and intelligent building projects and bidding projects at home and abroad; Contracting the survey, consultation, design and supervision projects of the above-mentioned overseas projects; The export of equipment and materials required for the above-mentioned overseas projects; Dispatch the laborers needed to implement the above-mentioned overseas projects. (Projects subject to approval according to law can only be operated after approval by relevant departments)

8.Xi An Songqing Technology Co., Ltd.

Xi' an Songqing Technology Co., Ltd. was established in July 1992, which is a high-tech company specializing in research and development, production, sales and system integration of display technology/products. So far, China has the longest history, the strongest technical strength and the best product quality in the LED display industry.

In the development process of nearly 24 years, Song Qing Technology has always focused on the research and development, production, sales, installation and service of LED display screens.

As the leader of LED display screen in China, 1996, Songqing Technology produced and installed the first full-color display screen in China; In 2005, as a sponsor of the East Asian Games held in Macau, Song Qing installed dozens of led display screens for all stadiums. In 2008, Song Qing undertook five LED display projects for the 2008 Beijing Olympic Games, including National Stadium (Bird's Nest), Beijing weather forecast display system, Beijing subway Olympic route display system, Olympic volleyball hall display system and Beijing traffic guidance display system. Up to now, audiences in nearly 80 countries around the world have obtained sports, traffic, commercial advertisements and other forms of information through tens of thousands of pine LED display screens.

Brief introduction of Xi 'an Songqing Technology Co., Ltd.

unify social credit code

9 16 10 13 162805 132 10

Organization code

62805 132 1

registration number

6 10 13 1 10002853 1

management forms

final

Company type

Other joint stock limited companies (unlisted)

Date of establishment

1998- 12-29

legal representative

Foreign investment of legal person in Zhangbei

operation cycle

1998- 12-29 - -

registered capital

50 million RMB

date of issue

20 17-0 1-06

Registration agency

Xi administration for industry and commerce gaoxin branch bureau

Enterprise address

Room 12604, Zheng Xin Building, No.5 Gaoxinyi Road, Xi High-tech Zone.

scope of business

Graphic image technology and product production such as automatic identification system of human physiological characteristics, large and giant electronic display systems; Computer, network information technology and supporting equipment, computer consumables and electronic components production; Property management. (For projects that must be approved according to law, business activities can only be carried out after the approval of relevant departments) Generally, research, development, sales and services of graphic and image technologies and products such as automatic identification system of human physiological characteristics, large and giant electronic display systems; Design and debugging of office automation equipment and industrial automation control engineering; Sales of computers, network information technology and supporting equipment, computer consumables and electronic components; Computer system integration and software development; Housing lease; Import and export business of goods and technologies (except those restricted, prohibited and approved by the state); City and road lighting engineering construction. (The above business scope is beyond the special control and licensing items stipulated by the state)

9. Shenzhen mindray photoelectric co., ltd.

Mai Rui-zhong's word "Mai" is taken from "Three Kings are desirable, Five Emperors can surpass" in Gao Zhuan of the Three Kingdoms, and the word "Rui" is taken from the book "Huai Nan Zi Shi Ze Xun"-"Soft but not rigid, sharp but not frustrated". On behalf of Mindray Optoelectronics, we should keep pace with the times and follow the trend during the period of starting a business and establishing a career. Mai Rui logo logo evolved from "MR", with perfect visual movement, simple atmosphere and internationalization. The logo is mainly blue, which is the eternal representative of science and technology. The shape of the logo is from small to large, which means the development and growth of the enterprise in the future. Shenzhen Mindray Optoelectronics Co., Ltd. is a holding subsidiary of Fujian Furi Electronics Co., Ltd. (stock code 600203), a state-owned listed company. Founded in April 2006, it is a national high-tech enterprise specializing in research and development, design, manufacture, sales and service of LED display screens.

Shenzhen mindray photoelectric co., ltd.

unify social credit code

9 144030078658924XQ

Organization code

78658924X

registration number

440306 103075244

management forms

final

Company type

limited liability company

Date of establishment

2006-04- 10

legal representative

Xu legal person's foreign investment

operation cycle

2006-04- 10 - 2026-04- 10

registered capital

65.438 billion yuan

date of issue

20 17-02-09

Registration agency

Shenzhen Municipal Market Supervision Management Bureau

Enterprise address

4th Floor, B2 Building, Building B/KLOC-0, Maple Leaf Gardens Industrial Workshop, Liu Xian Second Road, Xin 'an Street, Shenzhen (No.Longchang Road 10)

scope of business

Sales of photoelectric products and electronic products; Engaged in import and export business, engineering installation and technical services. (except for items prohibited by laws, administrative regulations or the State Council regulations and subject to approval before registration) LED color screen, LED power supply, LED lamps and LED product accessories production.

10, Shenzhen Lehman photoelectric technology co., ltd.

Shenzhen Lehman Optoelectronic Technology Co., Ltd. (stock code 300 162) is a leading LED product service provider and sports resource operator in China. The company evolved from 1993 and was founded in 2004. It was successfully listed on the Growth Enterprise Market of Shenzhen Stock Exchange on 20 1 1. Is an excellent benchmark enterprise in China LED photoelectric industry. At present, the company develops its layout with the dual main businesses of high-tech LED industry and sports industry.

In the field of high-tech LED, Lehman has been committed to the research and development, manufacture, application and service of high-end LED and its application products. Products cover high-end LED display screen, LED lighting and LED packaging devices, and global sales have expanded to nearly 65,438+000 countries and regions. At present, Lehman's main LED business covers five major areas: LED display, LED lighting, LED packaging, LED energy saving and LED media. Lehman (Group Headquarters) is located in Nanshan District, Shenzhen, and has a large industrial manufacturing base in Zhong Kai High-tech Development Zone, Huizhou, Guangdong. The registered capital is 335 million yuan, 20 10 national torch project undertaker, and it is a high-tech enterprise recognized by the state.

Brief introduction of Shenzhen Lehman photoelectric technology co., ltd

unify social credit code

9 14403007634586 18K

Organization code

7634586 18

registration number

44030 150 1 130760

management forms

final

Company type

Listed company limited by shares

Date of establishment

2004-07-2 1

legal representative

Foreign investment of legal persons in Mantie Li

operation cycle

2004-07-2 1 - 2024-07-2 1

registered capital

34978765438+530,000 yuan

date of issue

20 17-0 1-09

Registration agency

Shenzhen Municipal Market Supervision Management Bureau

Enterprise address

Building 8, Zone 2, Baiwangxin High-tech Industrial Park, Baisong Road, Nanshan District, Shenzhen City

scope of business

Energy saving technical services (excluding restricted items); Equipment leasing (mechanical equipment leasing without operators, excluding financing leasing activities); Energy management; Design of energy conservation and environmental protection projects and energy conservation projects; Energy-saving technical consultation and evaluation; Consulting, design, installation and maintenance of lighting engineering, urban lighting engineering and landscape engineering; Engaged in advertising business (if laws and administrative regulations stipulate that advertising business should be approved and registered, it can only be operated after being approved and registered separately); Development of commercial resources of football league; Sports advertising and media management; Planning and undertaking sports events; Engaged in import and export business (except for projects prohibited by laws, administrative regulations and the State Council and restricted projects that can be operated only after obtaining permission). R&D, producing and operating high-grade light-emitting diodes, LED display screens, lighting and other application products.