PetroChina Hohhot Branch

PetroChina Dalian Petrochemical Branch

PetroChina Ningxia Petrochemical Company

PetroChina Dushanzi Petrochemical Branch

PetroChina Guangxi Petrochemical Branch

PetroChina Qingyang Petrochemical Branch

PetroChina Changqing Branch

China Petroleum Engineering Design Co., Ltd. (CPE) Southwest Branch

Shaanxi Shuangyi Petrochemical Co., Ltd.

Shenhua Baotou Coal Chemical Co., Ltd.

Shaanxi Chemical Construction Engineering Co., Ltd.

Chengdu Elp Gas Products Co., Ltd.

Sichuan Petrochemical Co., Ltd.

Southwest Pipeline Project

Zhuhai Pagoda Petrochemical

Ningxia Pagoda Petrochemical

Xinjiang Pagoda Petrochemical

Jiangsu Xinhai Petrochemical Co., Ltd.

Shandong Dongming Group Co., Ltd.

Qinghai Salt Lake Magnesium Co., Ltd.

Pucheng Clean Energy Chemical Co., Ltd.