分类: 可燃冰

China Petroleum and Chemical Corporation

Guangzhou Development Group Incorporated

Nanjing Iron and Steel Co., Ltd.

Haohua Chemical Science and Technology Corp., Ltd.

Offshore Oil Engineering Co., Ltd.

Sinopec Oilfield Service Corporation

China Oilfield Services Limited

Bomesc Offshore Engineering Company Limited

Zhuzhou CRRC Times Electric Co., Ltd.