Zhong Qiu Liu

China National United Oil Corp. is an oil manufacturing company in China. It offers crude oil & its refineries. The company was founded in 1993 and is headquartered in Beijing, CN.

China National Petroleum Corp. engages in the production and supply of oil and gas products. Its businesses include petroleum exploration and production, natural gas and pipelines, refining and marketing, oilfield services, engineering construction, petroleum equipment manufacturing and new energy development, as well as capital management, finance, and insurance services. The company was founded on February 9, 1990 and is headquartered in Beijing, China.

CEFC China Energy Co., Ltd. operates as an investment company with interest in energy industries and financial services. Its business activities include oilfield exploration and drilling engineering; sale of crude oil and oil products; oil and gas storage and logistics; global trading of crude oil, oil products, natural gas, and petrochemical products; and financial services for securities, trust, futures, banking, insurance, and financial asset transactions. The company was founded by JianMing Ye in 2002 and is headquartered in Shanghai, China.

China Petroleum Engineering & Construction Corp. specializes in oil engineering, manufacturing, construction, and lump-sum contracting. The firm operates its business through following segments: Engineering Design, Construction and erection, Engineering Manufacture, Engineering Procurement and Technical Services. Its services include preliminary consultation on large oil projects, feasibility study, environmental impact and safety assessments, survey and measurement, design, procurement, construction, manufacturing, supervision, commissioning trial and operating maintenance as well as project engineering, procurement and construction () and project management contracting. The company was founded in 1998 and is headquartered in Beijing, China.