|  | Name | Registered Capital | Employees | Main Business | 
									
										
											|   | Xi'an ZhengYuan Well Image Electronic Tech Co. Ltd | ¥ 5 Million | 1-100 | Research and Development of Visual Detection Technology for Oil and Gas Wells, Equipment Manufacturi | 
									
										
											|   | Tartan Energy Tech Shanghai Ltd | ¥42,844,318 | 1-100 | high-end equipment and technical services for the development of unconventional energy. | 
									
										
											|   | Solvay | - | 10,001+ | Chemistry | 
									
										
											|   | Haimo Technologies Group Corp. | ¥384,766,000 | 101-1,000 | production, equipment , environmental protection, data management, production optimization | 
									
										
											|   | SOLVAY-SUI Shale Tech Innovation Lab | - | 1-100 | To provide sustainable specialty chemical product & technology for oil and gas industry | 
									
										
											|   | Xinjiang Zhundong Petroleum Tech Co Ltd | ¥239,177,000 | 1,001-5,000 | petroleum technology services, construction and installation services | 
									
										
											|   | China Oil Hbp Science&Technology Co Ltd | ¥107,081,000 | 1,001-5,000 | oil and gas development and exploitation | 
									
										
											|   | Landocean Group Limited | ¥712,772,000 | 1,001-5,000 | oil and gas industry services | 
									
										
											|   | Tong Oil Tools Co.,ltd. | ¥440,432,000 | 101-1,000 | stimulation of oil/gas production | 
									
										
											|   | Sino Geophysical Co.,Ltd. | ¥320,000,000 | 101-1,000 | seismic processing and interpretation, | 
									
										
											|   | Offshore Oil Engineering Co.,Ltd. | ¥4,421,350,000 | 5,001-10,000 | general contracting engineeringCOOEC has more than 8000 employees, constituting an all-round, multi- | 
									
										
											|   | Sinopec Oilfield Equipment Corporation | ¥598,158,000 | 1,001-5,000 | oilfield equipment | 
									
										
											|   | Shanghai Sk Petroleum & Chemical Equipment Corpora | ¥363,910,000 | 101-1,000 | petroleum and chemical equipment | 
									
										
											|   | Geo-jade Petroleum Corporation | ¥2,263,510,000 | 1,001-5,000 | oil and gas exploration and development | 
									
										
											|   | Fujian Newchoice Pipe Technology Co.,Ltd. | ¥1,031,550,000 | 1,001-5,000 | buriedpipes and associated products | 
									
										
											|   | Jiangsu Yulong Steel Pipe Co.,Ltd. | ¥784,665,000 | 1,001-5,000 | welded pipes | 
									
										
											|   | Zhangjiagang Furui Special Equipment Co.,ltd. | ¥473,905,000 | 1,001-5,000 | LNG industry - design and manufacturing | 
									
										
											|   | Jiangsu Changbao Steeltube Co.,Ltd. | ¥800,200,000 | 1,001-5,000 | production of seamless tubes | 
									
										
											|   | SINOPEC Shandong Taishan Petroleum Co.,Ltd. | ¥480,793,000 | 1,001-5,000 | fuel distribution | 
									
										
											|   | Cnpc Capital Company Limited | ¥9,030,060,000 | 1,001-5,000 | diesel engines and gas engines |