Zhongrong Hardware (Huanghe 4th Road)

Integrity Hardware Lulin General Agent (Geng Jiajuminxiaoqu 1 Unit Shop)

Yuanda Hardware (Binzhou Branch)

Xiaoyan Hardware Biaozhunjian Screw Jiaoye Wholesale

Hangao (Binzhou General Agent)

Kingbull Pipe Industry (Jinmao Shopping Center Building Materials City Branch)