Zhongcai Pipeline (Haohai Goods & Materials Trade City Shop)

LESSO Pipeline Municipal Pipeline (Haohai Goods & Materials Trade City Shop)

Zhongde Tube Industry (Haohai Goods & Materials Trade City Shop)

Jisuguan Road PPR Guan PVC Guandinuan Guan Rerongqi

ERA Pipeline (Haohai Goods & Materials Trade Chengbei No.1-13)

Jinyi'ou Tube Industry