Henan Liyuan group is located in TONGYE Town, a famous historical town in the west of Anyang, the ancient capital of China. Founded in 1997, it is a joint-stock private enterprise and a backbone enterprise of coal chemical industry in Henan Province. The group's subsidiaries include coal coke company, gas company, alloy company and chemical department Technology, logistics company, new material company, Kebang company and Tianheng energy are eight branches. It is a large modern coal chemical enterprise integrating coal washing, coking, chemical industry, power generation, alloy, logistics, clean energy, fine chemical industry, new materials, commerce and real estate. It covers an area of more than 1800 mu, has more than 2500 employees, has a total fixed assets of 7 billion yuan and an annual output value of 9 billion yuan. The company's main equipment includes two production lines: jigging coal washing and automatic dense medium coal washing; One set of JN43-80 coke oven, two sets; Hxdk55-08f tamping coke oven has two groups and four sets, two sets of 140t / h dry coke quenching devices, two 90t / h waste heat boilers and two 22mw steam turbine generator units, as well as a complete chemical product recovery system; One set of 300000 t / a tar hydrogenation production unit; There are two lm2500 + furnace gas direct fired generator sets of GE company in the United States, two sgt-400 heavy gas turbines of Siemens company in Germany, one 12000kW waste heat generator set and two 6000kW steam generator sets; One 35kV substation and two 110 kV substations; Two 5000KVA refining furnaces; One set of rubber accelerator production device; A set of coke oven gas cogeneration LNG unit. Supporting the construction of large coal yards, coke yards, special railway lines, and modern logistics parks with complete functions. Five sets of coke oven tail gas desulfurization and denitration devices, four sets of power plant gas turbine denitration devices, eight sets of volatile organic compounds (VOCs) treatment devices, seven closed stockyard greenhouses with a total construction area of 100000 square meters, advanced wastewater treatment and reuse projects and other environmental protection projects are configured. The group has built a multi-functional national energy dispatching management center integrating safety and environmental protection, unified production dispatching, energy balance and internal market assessment. The company's main equipment and technology are at the leading level in the same industry. The company can wash 2.4 million tons of coal every year, and produce 2.6 million tons of high-quality metallurgical coke, 100000 tons of tar, 35000 tons of crude benzene, more than 30000 tons of ammonium sulfate, 1.17 billion kwh of power generation, 60000 tons of silicon manganese alloy, 80000 tons of medium and low carbon ferromanganese, 600 million cubic meters of surplus gas after self use of coke oven, 135000 tons of hydrogenation oil and solvent oil, 165000 tons of asphalt, 80000 tons of LNG products, 2000 tons of dibenzylamine More than 30 kinds of main and by-products, such as 3000 tons of tetrabenzyl thiuram disulfide (TBzTD) and 500 tons of zinc dibenzyl dithiocarbamate (zbec); The company's logistics park can meet the demand for material transportation services of 7 million tons per year, forming a relatively complete new coal chemical circular economy industrial chain and fine chemical production mode. The company has established Henan coal chemical postdoctoral workstation and two provincial technology R & D centers, and has obtained more than 90 national invention patents and utility model patents.