Three-dimensional Sanjiao Dai Tongbudai Wanxiang Lun

Sanjiao Daitongbu Dai (Qingdao Huabin Hardware Machinery Co., Ltd.)

Qingdao Jinda'an Industry Equipment Co., Ltd.

Qingdao Qiangshengda Mechanical & Electrical Equipment Co., Ltd.

Qingdao Zhonglulian Mechanical & Electrical Equipment Co., Ltd.

Shengdaheng Machinery Transmission (Qingdao Sheng'ao Hardware Electrical City Branch)