2. Shanghai Jinli Special Steel Co. Ltd.
3. Shanghai Ainote Steel Casting Co., Ltd..
Shanghai shanxiong special steel co., ltd.
5. Shanghai Longxing Special Steel Co., Ltd.
6. Shanghai Jiayu Special Steel Co., Ltd.
7. Shanghai Rotter Steel Strip Co., Ltd..
8. Ye Sheng Special Steel Metal Products Co., Ltd.
9. Shanghai Ningxing Special Steel Trading Co., Ltd.
10. Shanghai Cidong Special Steel Co., Ltd.
1 1. Shanghai Bentai Special Steel Co., Ltd.
12. Shanghai youlian special steel material
13. Jiusheng Special Steel Company
14. Shanghai Jiangwan Special Steel
15 Shanghai Sanbei Special Steel
16. Shanghai Sinkaite Steel
17. Shanghai Baosteel Special Steel
18. Shanghai Zhexiang Special Steel Co., Ltd.
19. Shanghai exin special steel co., ltd.
20. Shanghai bosman Special Steel Co., Ltd.