| BEIJING NATIONAL RAILWAY RESEARCH & DESIGN INSTITUTE OF SIGNAL & COMMUNICATION GROUP CO., LTD. (CRSCD) |
|
| CHINA RAILWAY NO. 3 ENGINEERING GROUP CO., LTD. |
|
| CHINA GEZHOUBA (GROUP) CORPORATION |
| CHINA RAILWAY CONSTRUCTION CORPORATION (CRCC) |
| CHINA RAILWAY ENGINEERING CONSULTING GROUP CO.,LTD. |
| CHINA RAILWAY - 15TH BUREAU GROUP CORPORATION |
| CHINA PETROLEUM PIPELINE - BUREAU INTERNATIONAL DIVISION |
| CHINA RAILWAY SIGNAL & COMMUNICATION CORP (CRSC) |
| CHINA NATIONAL TECHNICAL IMPORT & EXPORT CORPORATION (CNTIC) |
| SHANDONG FENGHUI EQUIPMENT TECHNOLOGY CO. LTD. (FINEHOPE) |
| NARI GROUP CORPORATION |
| NCPE |
| PINGGAO GROUP |
| POWER OF CHINA |
| POWER CONSTRUCTION CORPORATION OF CHINA |
| STATE GRID CORPORATION OF CHINA |
| SHANGHAI ELECTRIC POWER CONSTRUCTION CO. LTD. |
| SEPCO ELECTRIC POWER CONSTRUCTION CORP. |
| SEPCO1 ELECTRIC POWER CONSTRUCTION CORPORATION |
| SINOHYDRO CORPORATION LIMITED |
| SHANDONG POWER EQUIPMENT CO.LTD. |
| TIANJIN ELECTRIC POWER CONSTRUCTION CO., LTD. |
| YINGLI SOLAR |
| ZHUZHOU XUYANG ELECTROMECHANIC TECHNOLOGY CO., LTD. |
