Shaanxi Yanchang Petroleum Mining Co., Ltd. is a wholly-owned subsidiary established by Shaanxi Yanchang Petroleum (Group) Co., Ltd. in accordance with the new mode of "oil, gas, coal, chemical industry and electricity" coupled development. It is mainly responsible for the development of coal and other mineral resources, the construction, operation and management of electric power and new energy projects, as well as coal logistics and other industries.