Zhangjiagang Ruikang Heat Preservation Building Materials Co., Ltd. (Nonglian Jiayuan Branch)

Liji Building Materials Trading Co., Ltd.

Zhangjiagang Zuoyou Pipe Fittings Co., Ltd.

Zhuangyuan Metal Material Co., Ltd.

Yuanhao Building Materials (Rongsheng Jinyuan Branch)

Jianhua Building Materials (Donglai North Road Shop)