Tianjin Yuantai Jianye Metal Products Co., Ltd.

Tianjin Erhao Aluminium Industry Co., Ltd.

Tianjin Oubeimu Building Materials Co., Ltd.

Tianjin Xinhaisheng Steel Tube Manufacture Co., Ltd.

Tianjin Xinyuan Peak Dagangtie Co., Ltd.

Yuanshuntong Hardware and Building Materials