Lizhixing Surveying And Mapping Experiment Instrument (Luoyang Branch)

Huace GPS General Agent South Surveying & Mapping Instrument Co., Ltd. Instrument (GPS Measure Instrument Shop)

Dabao Jidabao Daichanrao Ji Chanraomo

Speed Reducer Daquan (Huayaocheng Shop)

Sanfan Construction Machinery

Zhengkuan Mechanical & Electrical Equipment (Huayaocheng Shop)