Yanchang Petroleum International Ltd. operates as an investment holding company, which engages in exploration, exploitation and operation of oil and gas fields and refined oil wholesale business. It operates through the following business segments: Supply and Procurement, and Exploration, Exploitation and Operation segments. The Supply and Procurement business segment involves in storage, transportation, trading and distribution of oil related products. The Exploration, Exploitation and Operation business segment involves in oil and gas exploration, exploitation, sale and operation. Yanchang Petroleum International was founded on January 5, 2001 and is headquartered in Hong Kong.