Yongheng Instruments of Surveying and Mapping Duijiangji (Guangcai Great Market Branch)

Bengbu Huashun Surveying And Mapping Detection Instrument Co., Ltd. (China Railway Dushi Jiayuan Branch)

Jingda Experiment Instrument (Hongdu Garden Branch)

Integrity Instruments and Apparatuses (Huaibin Unit Shop)

Bengbu Jiaye Gardens Machinery Equipment

Bengbu Hongshen Mechanical & Electrical Equipment Co., Ltd.