1, North China Branch of China Petrochemical Sales Co., Ltd.
2. Tianjin TEDA Investment Holding Co., Ltd
3. Tianjin Rongcheng Xiangtai Investment Holding Group Co., Ltd.
4. Tianjin Xintiangang Iron and Steel Group Co., Ltd..
5. China Bohai Bank Company Limited
6. Tianjin FAW Toyota Motor Co., Ltd.
7. China Merchants Property Limited
8. China Railway 18th Bureau Group Co., Ltd.
9. Tianjin Branch of CNOOC (China) Co., Ltd.
10, Hongfujin Precision Electronics (Tianjin) Co., Ltd.
1 1, Tianjin Youfa Steel Pipe Group Co., Ltd.
12, Tianjin Bohai Chemical Group Co., Ltd.
13, State Grid Tianjin Electric Power Company
14, China Communications First Waterway Engineering Bureau Co., Ltd.
15, Tianjin Branch of FAW-Volkswagen Automobile Co., Ltd.
16, China Construction Sixth Division Co., Ltd.
17, Yunzhang Technology (Tianjin) Co., Ltd.
18, Tianjin Yilian Holding Group Co., Ltd.
19, state grid e-commerce technology co., ltd.
20 China Petrochemical Company Limited Tianjin Branch
2 1, Bank of Tianjin Limited
22. Tianjin North China Group Co., Ltd
23. China Railway Design Group Limited
24. Tianjin Tasly Health Industry Investment Group Co., Ltd.
25. Tianjin Port (Group) Limited
26. Tianjin Jianlong Iron and Steel Industry Co., Ltd.