Since its establishment in December 1997, the company has received strong support from relevant government departments at all levels and all sectors of society, especially investors and customers. The company has achieved healthy and rapid development, and was successfully listed on the Shanghai Stock Exchange in June 2001. The company's main business is to provide customers with stable and efficient communication network services and IDC integrated services through self-construction, mergers and acquisitions or rental of standardized telecommunication-grade professional computer rooms and operator bandwidth. Combining its own professional and technical advantages, the company provides customized Internet data center solutions to customers in various industries to meet the needs of different industries for data centers, computing power, and network services in the digital transformation. The main products and services are Internet data services; computer system services; computer software, hardware and auxiliary equipment retail; energy storage technology services; sales of solar thermal equipment; emerging energy technology research and development; technical services, technology development, technical consultation, technical exchange, technology transfer, technology promotion; cloud computing equipment technology services; cloud computing equipment manufacturing; information system integration services; software development; domestic trade agents. (Except for projects subject to approval according to law, independently carry out business activities with a business license in accordance with law) Licensed projects: Class I value-added telecommunication services. (Projects requiring approval according to law can only carry out business activities after approval by relevant departments. Specific business projects are subject to the relevant department's approval documents or licenses). Corporate honors: The “Rongtai” ML amino composites produced by the company have successively passed provincial and national technical certifications, obtained national torch plan project certificates and national invention patents, and have been awarded the titles of “China's Famous Brand Product” and “National Key New Product” by the Trademark Office of the State Administration for Industry and Commerce, the National Quality and Technical Supervision Administration and other departments.