China North Hardware City

Jianzhi Pipe Fittings (Qinggong Avenue Shop)

Zhexin Hardware Biaozhunjian Taihang Zhangguan General Agency

Xinghua Water Heating Tubing Pipe Fittings Large World (Wujincheng Branch)

Tube Industry Daquan

Tianjin Hengyuan Building Materials Storehouse Sigangkou Jianlvmo Tool