Shanghai Junbo Steel Material Processing Co., Ltd.

Shanghai Huaye Steel Material Processing Co., Ltd. (Gongyue Road)

Shanghai Wenzhao Steel Material Jianqie Co., Ltd.

Shanghai Xingsheng Steel Material Processing Co., Ltd. No.4 Ku

Shanghai Baoxiang Steel Material Processing Co., Ltd.

Shanghai Xingsheng Steel Material Processing Co., Ltd. No.2 Ku