LESSO Pipeline, JDG Guan, Cable Qiaojia,

Ginde Plastic Industry. Weixing Pipeline. Jiyang Operating Center

Jinan Shuntong Tube Industry Firm (Yixiange Xiyuan Branch)

Kangle Tube Industry (Longhai Road Branch)

Quancheng Valves Hardware Mechanical And Electrical

Yangzi Tube Industry (Hardware Building Materials City Branch)