Xinwang Hardware Biaozhunjian (China South City Building Materials Exchange Center 6A Unit Shop)

Xiangke Hardware Biaozhunjian (Zhengzhou China South City Branch)

Shengfeng Hardware Biaozhunjian (China South City Building Materials Exchange Center 6A Unit Shop)

Junzhuo Hardware Biaozhunjian Wholesale

Zhengzhou Xingang Standard Element Co., Ltd.

Zhengzhou Haoda Standard Element (Zhejiang Hardware Engine Electric Town 7 Unit B Branch)