Qingdao Huaqing Meter (Anping Unit Shop)

Yichuan Instruments and Apparatuses (Anping Unit Shop)

Engineering Measure Instrument Shop

Fuzhou Beibo Experiment Instrument Co., Ltd. (City Fangting Shop)

Zhonghui Instruments of Surveying and Mapping (Shimao Dongwang Shop)

Fuzhou Taijiang Pinjie Experiment Instrument Co., Ltd. (Cangxia New Town Branch)