One of the top ten brands of LED display screen, Leyad Liard Optoelectronic Co., Ltd. was established in 1995. It is a famous trademark in Beijing and a leader in the field of LED video and information release display. Is a high-tech enterprise specializing in research and development, design, production, sales and service of LED application products. Lianchuang Lian Jian Optoelectronic Shenzhen Lian Jian Optoelectronic Co., Ltd., one of the top ten brands of LED display screen, is a professional outdoor media operation organization integrating LED screen system suppliers, LED screen purchasing and replacement suppliers and outdoor media operators, and is an enterprise specializing in the research, development, production and sales of LED application products. Sansi Shanghai Sansi Electronic Engineering Co., Ltd., founded in 1993, is a famous trademark in Shanghai, a service provider of LED display and LED lighting and its application system, a drafting unit of expressway LED lighting standards, and a high-tech enterprise specializing in the research and development and production of LED application products. 4Unilumin Zhouming Shenzhen Zhouming Technology Co., Ltd., one of the top ten brands of LED display screen, is a listed joint-stock company with many patents, mainly engaged in LED high-definition energy-saving full-color display screen /LED energy-saving lighting products. 5RETOP Ruituo Shenzhen Ruituo Display Technology Co., Ltd., one of the top ten brands of LED display screen, was established in 1997. It is an overall LED solution provider and a high-tech enterprise under Dehao Runda Group, which focuses on LED business. 6ABSEN Absen Shenzhen Absen Optoelectronic Co., Ltd., one of the top ten brands of LED display screen, is the governing unit of LED Industry Federation, focusing on the research of LED technology and the production, sales and service of LED full-color display screen. 7Ledman Lehman Shenzhen Lehman Optoelectronic Technology Co., Ltd., one of the top ten LED display brands and a famous brand product in Guangdong Province, is committed to the research and development, manufacturing, application and service of high-end LED and application products. 8 Song Qing QSTECH Xi An Song Qing Technology Co., Ltd., one of the top ten LED display brands, was established in 1992. It is a famous trademark in Shaanxi Province. Established in Shanghai in May 2000, 9ATTA Alto Lighting, a high-tech company specializing in R&D, production, sales and system integration of display technology/products, is positioned as an integrated service provider providing overall solutions such as lighting customization, lighting design and engineering installation for five-star hotels and projects at home and abroad. 10Lopu Nanjing Lopu co., ltd., a famous brand in Jiangsu, a well-known system integration supplier in China, and a drafting unit of display industry standards, was an institution that developed and produced large LED display screens earlier.