The three enterprises under Tangshan Iron and Steel Group are all large backbone steel enterprises with early factory construction in China. Tanggang was founded in 1943 and is known as the "hometown of converters". It is also one of the earliest enterprises in China to successfully apply continuous casting technology to large-scale industrial production. After the reform and opening up, Tangsteel has continuously accelerated its development pace and entered the top ten steel companies in the country. Xuangang was founded in 1919. During the planned economy period, it was a designated national pig iron supply base and also trained a large number of professional technical talents in mining and pig iron smelting for the metallurgical industry. Under the conditions of a market economy, Xuansteel has risen and achieved rapid development in adversity, becoming one of the key national steel enterprises. Chenggang is one of the 156 key projects established by the country in 1954. It has been committed to the development and utilization of vanadium titanium magnetite resources and the industrialization process of related scientific research achievements. It is the birthplace of blast furnace smelting technology for vanadium titanium magnetite in China and the largest vanadium containing steel production base in the north.

The three enterprises under Tangshan Iron and Steel Group are all large backbone steel enterprises with early factory construction in China. Tanggang was founded in 1943 and is known as the "hometown of converters". It is also one of the earliest enterprises in China to successfully apply continuous casting technology to large-scale industrial production. After the reform and opening up, Tangsteel has continuously accelerated its development pace and entered the top ten steel companies in the country. Xuangang was founded in 1919. During the planned economy period, it was a designated national pig iron supply base and also trained a large number of professional technical talents in mining and pig iron smelting for the metallurgical industry. Under the conditions of a market economy, Xuansteel has risen and achieved rapid development in adversity, becoming one of the key national steel enterprises. Chenggang is one of the 156 key projects established by the country in 1954. It has been committed to the development and utilization of vanadium titanium magnetite resources and the industrialization process of related scientific research achievements. It is the birthplace of blast furnace smelting technology for vanadium titanium magnetite in China and the largest vanadium containing steel production base in the north.

Shandong Hengxin New Energy Co., Ltd. was established on June 2, 2020, with its business address located at No. 667 Rongxin Road, Zoucheng Industrial Park, Zoucheng City, Shandong Province. The company is engaged in the petroleum, coal, and other fuel processing industries, and its business scope includes the production and sales of general projects such as coke and chemical products (excluding hazardous chemicals); Sales of pig iron and steel; Processing and sales of general equipment, coal chemical equipment and its accessories, instruments and meters; Delivery, warehousing, handling and loading/unloading services for goods. (Except for projects that require approval according to law, business activities shall be conducted independently based on the business license in accordance with the law). The current operating status of Shandong Hengxin New Energy Co., Ltd. is an operating (open) enterprise.

Anhui Haoyuan Chemical Group Co., Ltd, formerly known as Fuyang County Fertiliser Factory, was founded in 1970 and located at No. 233 Dongsheng Road, Yindong District, and has developed into a comprehensive chemical enterprise integrating R&D, production and sales. The company is now a national high-tech enterprise, with a provincial enterprise technology centre. In 2007, Haoyuan successfully implemented a joint venture with JINNERG Holding Equipment Manufacturing Group Company Limited (formerly Shanxi Jincheng Anthracite Coal Mining Group Co., Ltd.), and stepped into the fast lane of healthy development. The company now has more than 3,200 employees and total assets of 12 billion yuan.

Gansu Liuhua (Group) Limited Liability Company is a large-scale state-owned sole proprietorship enterprise in the province, which is now a wholly-owned subsidiary of Jingyuan Coal Industry Group Limited Liability Company, and is the backbone enterprise of chemical fertilizer production in Gansu Province. The plant was established in 1966, and has developed into a large-scale enterprise with production capacity of 400,000 tonnes of synthetic ammonia/year, 700,000 tonnes of carbamide/year, 100,000 tonnes of methanol/year, 150,000 tonnes of concentrated nitric acid/year, and 250,000 tonnes of nitro-compound fertilizers/year. Large-scale enterprise. By the end of 2019, the company has a registered capital of 686 million yuan, with fixed assets of 1.710 billion yuan and total assets of 2.313 billion yuan. Through continuous strengthening of management, the company has formed an advanced management concept and perfect management system, and passed ISO9001 quality management system certification. The leading product "Yellow River" urea has won the titles of "Gansu Famous Brand Product", "Long Goods Excellence" and "National Customer Satisfaction Product". Our leading product "Yellow River" urea won the titles of "Gansu Province Famous Brand Product", "Long Goods Excellence", "National Customer Satisfaction Product", etc. Urea, compound fertiliser and other products are well loved by the majority of users, based on the Gansu market at the same time, it is exported to Sichuan, Jiangsu, Fujian, Jiangsu and Anhui and other regions.

Tangshan Tianshun Coal and Coking Chemical Co., Ltd. was established in 2019-03-05, the legal representative of Cheng Deyi, registered capital of 100.8 million yuan RMB, the unified social credit code is 91130294MA0D9HTL0K, the enterprise address is located in the Tangshan Harbour Development Zone, north of the coastal highway, west of the Tangang Railway, No. 1 office building, belongs to the industry of petroleum, coal and other fuels Processing industry, the scope of business includes: general projects: coking; coal and products sales; loading and unloading handling; import and export of goods; import and export of technology; fertiliser sales; non-residential real estate leasing; heat production and supply; general cargo warehousing services (excluding hazardous chemicals and other projects that require permits and approvals). (In addition to projects subject to approval by law, with a business licence to carry out business activities independently in accordance with the law) Permitted projects: catering services; fertilizer production; the production of hazardous chemicals; hazardous chemicals business. (Projects subject to approval by law, only after approval by the relevant departments can carry out business activities, the specific business projects to the relevant departments to approve the documents or licences shall prevail). The current business status of Tangshan Tianshun Coal and Coking Chemical Co., Ltd. is Active (In Business, Open, Registered).