Established in 2013, it is located in the Economic Development Zone of Ci County, Hebei, covering an area of 110 mu, with a registered capital of RMB 60 million. It has single washing oil processing unit with an annual capacity of 70,000 tons. As the main supplier of isoquinoline, quinoline, alphamethylnaphthalene, industrial fluorene, indole and other products. β-Methylnaphthalene products have carbon label certification of China Electronics Energy-saving Technology Association.It has been recognized as the national high-tech enterprise, the national small and medium-sized enterprise of science and technology, the little “professional, specialized, unique, innovative” technological giant of the Ministry of Industry and Information Technology, the green factory of Ministry of Industry and Information Technology，the demonstration “professional, specialized, unique, innovative” enterprise of Hebei Province, the little technological giant of Hebei Province , the green factory of China Petroleum and Chemical Industry Federation and the green factory of Hebei Province.