ERA Pipeline (Tangshan Road Branch)

Tugong Material Paishuiban Building Materials Tugong Buwu Fangbu Tugong Gezha Tugong Mokang Lietie Fangchen Wangcaopi Toushuiguan Mangguan

Guojin Pipeline PE Bowen Guanpai Water Pipe Geishuiguan Chuanxianguan

Baolitong Tube Industry

Huasen Building Materials

Nanjing Nuoyan Building Materials