Hommart Hydropower City Poly Pipeline Yidu Operating Center (Famous City Branch)

Zhongcai Pipeline (Yidu Shangcheng Branch)

Kingbull Pipe Industry (Chengxiang Road Branch)

LESSO Pipeline (Yidu Wan Shangcheng Branch)

Poly Pipeline (Zhixin Hydropower)

Yidu Zhongzhi Tube Industry Co., Ltd.