Cangzhou Kongxiang Steel Tube Sales Co., Ltd.

Tian'en Stainless Steel (Zhejiang) Co., Ltd. Cangzhou Branch

Cangzhou Qihang Tube Industry Co., Ltd.

Cangxin Plastic Pipe Mao

Cangzhou Zhanhe Steel Tube Co., Ltd.

Haiju Stainless Steel Falan