Hongkai Tube Industry (Taifeng Mechanical and Electrical Market Branch)

Changsheng Valve Pipe Fittings Wholesale Department (Supply Department)

Liaocheng Laojia Hardware Biaozhunjian Business Department (Taifeng Mechanical and Electrical Market Branch)

Maike Pipe Fittings General Agent

Shanxi Pipe Fittings General Agent

Yuanrui Hardware