
Guodian Ningxia Yinglite Ningdong Coal based Chemical Co., Ltd
Guodian Sinopec Ningxia Energy Chemical Co., Ltd
Sinopec Great Wall Energy Chemical (Ningxia) Co., Ltd
Hebei Installation Engineering Company Third Branch
Shandong Sanwei Petrochemical Engineering Co., Ltd

Beijing Construction Engineering Jinyuan Environmental Protection Development Co., Ltd
PetroChina Changqing Oilfield Branch
Yangmei Group Taiyuan Chemical New Materials Co., Ltd
Shenhua Bayannur Energy Co., Ltd
Ordos Junzheng Energy Chemical Co., Ltd

Liaoning Datang International Fuxin Coal to Natural Gas Co., Ltd
China Petroleum&Chemical Corporation Changling Branch
Sinopec Guangzhou Branch
Shanxi Yanchang Petroleum (Group) Co., Ltd. Yulin Refinery
Tahe Branch of China Petroleum&Chemical Corporation

China Petroleum&Chemical Corporation Tianjin Branch
China Shenhua Coal to Oil and Chemical Co., Ltd. Baotou Coal Chemical Branch
Sinopec Qingdao Petrochemical Co., Ltd
Sinopec Zhanjiang Dongxing Petrochemical Co., Ltd
Sinopec Luoyang Petrochemical Engineering Company (LPEC)

Dongfang Ruimei Coal and Electricity Group Xifeng Activated Carbon Co., Ltd
Guodian Sinopec Ningxia Energy Chemical Co., Ltd
Zhejiang Datang Wushashan Power Generation Co., Ltd
Shanxi Datang International Yungang Thermal Power Co., Ltd
Shanghai Waigaoqiao Third Power Generation Co., Ltd

Procurement Department of Beijing Shougang International Engineering Technology Co., Ltd
Lianyungang Yaxin Steel Co., Ltd
Guangzhou Liuzhou Iron and Steel Co., Ltd
Hebei Iron and Steel Co., Ltd. Chengde Branch
Nanchang Changli Iron and Steel Co., Ltd

Guodian Ningxia Yinglite Ningdong Coal based Chemical Co., Ltd
Guodian Sinopec Ningxia Energy Chemical Co., Ltd
Sinopec Great Wall Energy Chemical (Ningxia) Co., Ltd
Hebei Installation Engineering Company Third Branch
Shandong Sanwei Petrochemical Engineering Co., Ltd

Guodian Ningxia Yinglite Ningdong Coal based Chemical Co., Ltd
Guodian Sinopec Ningxia Energy Chemical Co., Ltd
Sinopec Great Wall Energy Chemical (Ningxia) Co., Ltd
Hebei Installation Engineering Company Third Branch
Shandong Sanwei Petrochemical Engineering Co., Ltd