分类: 天然气

China Petroleum and Chemical Corporation

Guangzhou Development Group Incorporated

Sichuan Mingxing Electric Power Co., Ltd.

Hubei Mailyard Share Co., Ltd.

Henan Ancai Hi-tech Co., Ltd.

Lingyuan Iron and Steel Co., Ltd.

Shaanxi Construction Engineering Group Corporation Limited

Guanghui Energy Co., Ltd.

Grandblue Environment Co., Ltd.

Changchun Gas Co., Ltd.

China Petroleum Engineering Corporation

Jiangxi Hongcheng Environment Co., Ltd.

Aerosun Corporation

Xinjiang Tianfu Energy Co., Ltd.

Huaihe Energy (Group) Co., Ltd.

Offshore Oil Engineering Co., Ltd.

Shanxi Guoxin Energy Corporation Limited

Shanghai Dazhong Public Utilities (Group) Co., Ltd.

Shenergy Company Limited

Leshan Electric Power Co., Ltd.