Jinghui Instruments of Surveying and Mapping (Kangning Garden Shop)

Qingdao Sheng'ao Hardware Engine Electric Town

Qingdao North China Mechanical and Electrical Equipment Company

Qingdao Donghai Huiyuan Mechanical And Electrical Equipment Co., Ltd. (Cinda Bliss Place Shop)

Qingdao Fudasheng Mechanical & Electrical Company

Qingdao Faliexing Mechanical And Electrical Co., Ltd. (Zhengye Commercial Building Northwest)