Shanghai Hongwang Steel Structure Engineering Co., Ltd.

Suzhong Hardware and Building Materials (Ground Middle Road Branch)

Defeng Building Materials Store

Shanghai Hongkou Shenghao Building Materials Business Department (Zhongxing Liangcheng Xiyuan Branch)

Hardware and Building Materials Wholesale Retail

Shanghai Screw Luomu (Yuan Shanghai Luodingchang No.4 Sales Department)