Zhiqiang Instruments of Surveying and Mapping

Xinhua Instruments of Surveying and Mapping Meter (Taiyuan Electric Power Supply Bureau Dormitory Shop)

Zhongrui Instruments of Surveying and Mapping (Machine Tools Plant Yi Dormitory Shop)

Fangyuan Surveying And Mapping (Dianjian Unit Shop)

Shanxi Chaorui Instruments of Surveying and Mapping

Huanyu Feixing Instruments of Surveying and Mapping