LESSO Pipeline, JDG Guan, Cable Qiaojia,

Jinan Shuntong Tube Industry Firm (Yixiange Xiyuan Branch)

Ginde Plastic Industry. Weixing Pipeline. Jiyang Operating Center

Kangle Tube Industry (Longhai Road Branch)

Yangzi Tube Industry (Hardware Building Materials City Branch)

Quancheng Valves Hardware Mechanical And Electrical