Weijie Pipe Fittings (Weijie Mansion Shop)

Tianyi Kingbull Pipe Industry (Zhejiang Zhuoting Building Materials Co., Ltd.)

Zhe Jiangsu Yiguanye Co., Ltd.

Shengyi Tube Industry Co., Ltd.

Zhejiang Jinge Pipeline Co., Ltd. (Shaoxing Zhongyang Mansion Branch)

Zhejiang Zhongxin Tube Industry Co., Ltd.