Qingdao Xinqijie Mechanical & Electrical Equipment Co., Ltd. (Dongcheng Power Tools)

Qingdao Shengshi Gaoke Mechanical & Electrical Equipment Co., Ltd.

Qingdao Yongda Hardware Mechanical And Electrical Co., Ltd.

Qingdao Brother Shengye Packing Machinery Co., Ltd.

Zhongyi Mechanical & Electrical Company (Qingdao Sheng'ao Hardware Electrical City Branch)

Qingdao Litaite Precision Bearing Co., Ltd.