Weixing Pipeline (Huizhou Road Shop)

Lepu Water Heating Pipe Fittings (Duole Automatic Control Boiler)

Jiaozhou Yuhao Valve Pipe Fittings Grinding Wheel Daquan (Medicine Unit Shop)

Tengfei Tube Industry

Xinhengsheng Valve Pipe Fittings

Chentang Valve Pipe Fittings (Lanzhou West Road Branch)