Nanjing Lopu Co., Ltd. (hereinafter referred to as "Lopu") is mainly engaged in the development of related hardware and software products in the fields of LED display systems, intelligent engineering and computer information system integration, intelligent transportation systems, industrial automation control systems, microwave darkrooms and other fields. System design and engineering contracting, as well as the development of cable components and other products.

In 1994, it was restructured into a joint-stock company, and Lopp took key steps towards modernizing enterprises. In the following twenty years, Lopp not only continued to take the lead in the field of LED display screens, but also gradually developed into a well-known domestic system integration supplier, and obtained two professional contracts for electronic engineering and building intelligent engineering awarded by the Ministry of Housing and Urban-Rural Development. Grade qualification, electronic engineering (electronic system) engineering design of electronic communications and radio and television industry, and Grade A certificate of engineering design of building intelligent system engineering design, as well as computer information system integration level 2 qualification awarded by the Ministry of Industry and Information Technology, and has passed ISO9001 Quality management system and ISO14001 environmental management system certification.

Over the past 30 years, Lopp has undertaken key projects including: Gezhouba, Three Gorges Ship Lock Automatic Control System, 2008 Beijing Olympic Games, 2009 Eleventh National Games, 2014 Second Youth Olympic Games, 2017 Thirteenth National Games LED display system of the main venue of the Games and the 7th World Military Games in 2019, as well as the LED display system of the Space Pavilion/Jiangsu Pavilion in 2010, the Information Department of National Day 50th Anniversary, Hubei float screen for the 60th Anniversary of National Day, and National Day 70 Anniversary Jiangsu color car screen, Beijing-Shanghai High-speed Railway Nanjing South Station LED display system, high-speed railway PIS system (Beijing-Tianjin Line, Wuhan-Guangzhou Line, Fuxia Line), Nanjing Railway Station Weak Current System, Nanjing Metro Line 1 Passenger Information System, Nanjing Passenger Transportation South Station passenger consultation system, Nanjing intelligent traffic control system, and dozens of airport terminals such as Capital International Airport, etc. In recent years, Lopp has actively explored international markets and achieved remarkable results in Europe, South America, North America, Oceania, Southeast Asia, South Asia, West Asia and Africa.

Lop has always adhered to independent innovation, focused on talent training, strict quality control, carefully provided satisfactory products and services to customers, and established a good brand image and reputation in domestic and foreign markets.