Chenggong Oilfield ni Ilu Dongying
Daqing Oil Field Refinery
Guizhou Baota Petrochemical ojò Zone
Petrochina Dongying Petrochemical Co.,Ltd
Shanxi Yanchang China Edu Yulin Lilo ati Kemikali Co.. LTD
Sidalia apejo ati aranse
Tianjin CNOOC
Weiming Petrochemical Aye
Xinjiang Kunlun Tianze Natural Gas Company
