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| Shandong province Jiaxiang Yongchang Highway engineering build Corporation Ltd. | Chongqing City Highway engineering Corporation Ltd. |
| Shanxi Province Highway engineering supervision technology consulting firm | Shanxi Jiaoke Highway engineering Consult supervision Corporation Ltd. |
| Chéng Dé Shì City Highway engineering supervision Co., Ltd. | Hebei four directions of north,south,west and east Highway engineering consult Corporation Ltd. |
| Hebei province Highway engineering Technology consult Corporation Ltd. | Hebei Huada Highway engineering Consult supervision Corporation Ltd. |
| Hebei Jimin Highway engineering consult Corporation Ltd. | Peking Hualujie Highway engineering consult Corporation Ltd. |
| Sichuan Yida Mechanisation Highway engineering Corporation Ltd. | Hebei Highway engineering Construction Group Corporation ltd. |
| Jilin Province Academy cascade highway engineering Co., Ltd. | Shandong province Chase Highway engineering Co., Ltd. |
| Jilin Hongyun Highway engineering Corporation Ltd. | Shandong province Geruite Highway engineering Corporation ltd. |
| Chongqing change great Highway engineering Co., Ltd. | Chongqing city highway Engineering Group Corporation Ltd. |
| Xi'an Mengxing Academy cascade highway engineering Corporation Ltd. | Tianjin five Municipal highway engineering Corporation ltd. |
| Hohehot municipality city Highway engineering Bureau Co., Ltd. | Guangdong Province Highway engineering Construction Group Corporation ltd. |
| Luqiao Group Chiefly Highway Engineering Bureau Xiamen department of engineering | Luqiao group chiefly highway engineering bureau Tianjin department of engineering |
| Luqiao group chiefly highway engineering bureau chiefly engineering company | Luqiao group chiefly highway engineering bureau fifth engineering company |
| Luqiao group chiefly highway engineering bureau third engineering company | Luqiao group secondly highway engineering bureau chiefly department of engineering |
| Luqiao group secondly highway engineering bureau sixthly department of engineering | Jiangxi Ganyue Expressway engineering Co., Ltd. |
| Jiangxi province Gaotong Highway engineering Corporation ltd. | Tianjin city Yongyang Highway engineering Group Corporation ltd. |
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