Chenggong-olieveld in Dongying City Daqing-olieveldraffinaderij Guizhou Baota petrochemische tankzone Petrochina Dongying Petrochemical Co. LTD Shanxi Yanchang China Steenkool Yulin Energy and Chemical Co. LTD Sidalia-bijeenkomst en tentoonstelling Tianjin CNOOC Petrochemische site van Weiming Xinjiang Kunlun Tianze aardgasbedrijf Zhongke (Guangdong) Refining & Chemical Co. LTD