All Employer
Jilin Oilfield Company
Tuha Oilfield Company
Yumen Oilfield
CNPC Greatwall Drilling Co., Ltd.（GWDC）
CNPC Chuanqing Drilling Engineering Company Limited（CCDC）
Bureau of Geophysical Prospecting INC.,China National Petroleum Corporation（BGP INC）
China National Logging Corporation（CNLC）
Research Institute of Petroleum Exploration and Development（RIPED）
CNPC Engineering Technology R&D Company Ltd.（CPET）
PetroChina Company Limited Petrochemical Research Institute（PRI）
China Huanqiu Contracting & Engineering Co.,Ltd.（HQC）
China Petroleum Pipeline Engineering Co., Ltd.（CPP）
CNPC Jichai Power Co. Ltd（JCPC）
China Petroleum Planning and Egineering Institute（CPPEI）
CNPC Economics & Technology Research Institute（ETRI）
CNPC Research Institute of Safety and Environmental Technology（RISE）
PetroChina Shenzhen Renewable Energy Research Institute Co., Ltd.
PetroChina Shanghai Advanced Materials Research Institute Co.Ltd
PetroChina Liaohe Oilfield Company
PetroChina ChangQing Field Company
PetroChina Tarim Oilfield Company
Petrochina Xinjiang Oilfield Company
Petrochina JiDong Oilfield Company
Petrochina ZheJiang Oilfield Company
CNPC BOHAI DRILLING ENGINEERING COMPANY LIMITED
Petrochina Lanzhou Petrochemical Company
PetroChina Dushanzi Petrochemical Company
PetroChina Guangxi Petrochemical Company
PetroChina Lubricant Company
PetroChina SiChuan Marketing Company
PetroChina International Co., Ltd.
Baoji Oilfield Machinery Co., LTD
BAOJI PETROLEUM STEEL PIPE CO,.LTD.
CNPC BOHAI EQUIPMENT MANUFACTURING CO.，LTD
CNPC Tubular Goods Research Institute (TGRI)
CNPC R&D (DIFC) Company Limited
