
- Zengyu Industrial (Shanghai) Co., Ltd.
- Surveying Instrument And Accessories
Shanghai

- Shaanxi Deruite Industry and Trade Co., Ltd.
- Surveying Instrument, Accessories, Tripod, Staff, Prism, Prism Poles
Shaanxi

- Geomaster Group
- Surveying Instrument, Surveying Equipment, 3D Laser Scanner, Automatic Level, Electronic Theodolite, Total Stations, Surveying Tripods, Leveling Staffs and Rods, Monitoring Prism, Laser Distance Meters
Tianjin

- Commander Group Ltd.
- Laser Level, Surveying Instrument, Surveying Equipment, Prism, Survey Prisms, Tripod, Prism Pole, Tribrach.
Jiangsu

- Nanjing Longjun Survey Instrument Co., Ltd.
- Gnss Rtk Receiver, Total Station, Digital Theodolite, Optical Theodolite, Auto Level, Automatic Level, Survey Prism, Survey Tripod, Prism Pole, GPS Rtk
Jiangsu