A big role is played in China's oil endowment by its state owned oil companies, mainly China National Offshore Oil Corporation, China National Petroleum Corporation, China National Refinery Corp, and Sinopec.
Большую роль сыграли в нефтяной промышленности Китая вклады государственных нефтяных компаний, главным образом China National Offshore Oil Corporation, China National Petroleum Corporation, China National Refinery Corp, и Sinopec.