Cao, chairman of Hebei Xinji Aosen Iron and Steel Co., Ltd., was founded in 2002. It is an integrated iron and steel enterprise integrating sintering, ironmaking, steelmaking, steel rolling, coking and logistics. The company is headquartered in xinji city, Hebei Province, which is known as the "China Pidu". The company is engaged in the export business of its products and technologies and the import business of raw and auxiliary materials, machinery and equipment, spare parts and technologies needed by the company, except for commodities and technologies whose import and export are restricted or prohibited by the state. (Projects subject to approval according to law can only be operated after approval by relevant departments)