12 Chenggong Oilfield em Dongying City 123 Refinaria do campo de petróleo daqing 1234567 Zona de tanque petroquímico Guizhou Baota 123 PetroChina Dongying PetroChemical Co. 123 Shanxi Yanchang China Coal Yulin Energy and Chemical Co. Ltd 12 Sidalia Gathering and Exhibition 123 Tianjin cnooc 123 Site petroquímico Weiming 123 Xinjiang Kunlun Tianze Natural Gas Company 123 Zhongke (Guangdong) Refination & Chemical Co. Ltd