1、CHINA NATIONAL OFFSHORE OIL CORP

2、CHINA NATIONAL PETROLEUM CORPORATION

3、SINOCHEM CORPORATION

4、CHINA PETROCHEMICAL CORPORATION

5、CHINA COMMUNICATION CONSTRUCTION COMPANY LIMITED

6、GUANGZHOU SALVAGE BUREAU OF THE MINISTRY OF COMMUNICATIONS

7、CHINA MERCHANTS LOGISTICS 

8、COSCO GROUP  

9、SINOTRANS-CSC