China Steel Group Tiancheng Environmental Protection Technology Co., Ltd. (hereinafter referred to as "China Steel Tiancheng") was established in 2001 and was approved by the State Economic and Trade Commission (National Economic and Trade Enterprise Reform [2001] No. 289). It was formerly Metallurgical Corporation established in 1959. The Ministry of Industry Safety and Environmental Protection Research Institute, the company's controlling shareholder is China Steel International Engineering Technology Co., Ltd. (stock code 000928), a first-class subsidiary of China Baowu. The company is mainly engaged in the research and development of environmental protection technologies such as air pollution control, energy conservation and carbon reduction, industrial solid waste/organic waste resource utilization, equipment manufacturing, engineering design and consulting, environmental protection facility operation and maintenance, engineering general contracting and other businesses.

China Steel Tiancheng has many qualifications such as ecological construction and environmental engineering consulting, environmental engineering design special grade A, environmental protection engineering professional contracting, desulfurization and denitrification facility operation level one, etc. It is one of the few in the industry that has all grade A. One of the qualified environmental protection companies. More than 1,000 flue gas treatment projects have been implemented, and scientific and technological achievements have been widely used in steel, petroleum and petrochemicals, electricity, nonferrous metals, building materials and other industries, which has played a positive role in the development of my country's air pollution control technology.

China Steel Tiancheng has been committed to the research and development and promotion of air pollution control technology for a long time. It is the "National Industrial Flue Gas Dust Removal Engineering Technology Research Center" of the Ministry of Science and Technology and the "National Environmental Protection Industrial Flue Gas Control Engineering Technology Center" of the Ministry of Ecology and Environment. The supporting unit of the engineering technology center, together with Tsinghua University and other units, jointly undertakes the "National Engineering Research Center for the Coordinated Control of Atmospheric Pollutants and Greenhouse Gases" of the National Development and Reform Commission, and has the main focus on reducing pollution and carbon reduction technology of industrial flue gas The academician and expert workstation has a national postdoctoral research workstation. A total of more than 20 new technology (new product) development projects have been implemented, 4 national key R&D plans, 3 national 863 program projects have been implemented, and 37 provincial and ministerial scientific research projects have been undertaken. More than 30 standards, specifications and industry development reports have been formulated for the country and industry, and more than 140 patent authorizations have been obtained. The independently developed "steel kiln smoke PM2.5 control technology and equipment" was selected as the seventh batch of single-chip products of the Ministry of Industry and Information Technology, and was included in the "Environmental Equipment Manufacturing Industry (Atmospheric Governance) Standard Conditions" of the Ministry of Industry and Information Technology. A large list of suppliers. It is the fifth batch of service-oriented manufacturing demonstration enterprises of the Ministry of Industry and Information Technology and a "specialized, specialized and innovative" small giant enterprise in Hubei Province.

Based on the new development stage and implementing the new development concept, China Steel Tiancheng adheres to the corporate culture of "hard work, rigorous, innovative, simple, pragmatic and efficient", and creates value for customers with advanced technology, considerate services and high-quality products. Continuously promote scientific and technological innovation and efficient management, and strive to develop into a domestic first-class and internationally renowned high-tech enterprise with leading technology in the field of energy conservation and environmental protection, strong engineering industry strength and excellent services.