Suzhou Sibaite Hardware Machinery Co., Ltd. (Zhengtailong International Industry and Trade City Shop)

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

Mingze Hardware Machinery Co., Ltd.

Suzhou Jinmiao Abrasive Tools Hardware Trading Co., Ltd.

Kunshan Kai'aomei Hardware Labor Insurance Tool Firm

Benxiang Labor Insurance Hardware (Zhengtailong International Industry and Trade City Shop)