Kunshan Jianhua Hardware Gongliangju Co., Ltd. (Zhengtailong International Industry and Trade City Shop)

Kunshan Hezhixiang Mujugang Co., Ltd.

Kunshan Aonuosi Hardware Machinery Co., Ltd. (Zhengtailong International Industry and Trade City Shop)

Daye Xinquansheng Mujugang

Kunshan Jiezhitao Hardware Tool Co., Ltd. (Zhengtailong International Industry and Trade City Shop)

Kunshan Henghong Labor Insurance Hardware Firm (Zhengtailong International Industry and Trade City Shop)