Zhongcai Pipeline (Zhengzhou Storage Operating Center)

Hangao Hardware (China South City 6 A1-267 Dingmeisheng Hardware Shop)

Zhongnan Hardware Lockset (Chenhang Building Materials Co., Ltd.)

Dingzhongyuan Hardware

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

Longteng Hardware (Hongxing Building Materials Industrial Park Shop)