Changzhou Guoyuan Metal Material Co., Ltd.

Changzhou Haozhan Trading Co., Ltd.

Changzhou Longxun Trading Co., Ltd.

Changzhou Wodeman Aluminium Industry Co., Ltd. (Wandu Jinshucheng Shop)

Changzhou Zhongbiao Fastener Co., Ltd. (Hongbei Road)

Changzhou Zhuangtai Materials Co., Ltd.