Surveying Instrument Manufacturer in China

Founded in 1958, We, a surveying instrument manufacturer in China, offers a broad range of products including our total station, electronic theodolite, optical theodolite, automatic level, digital level, laser plummet apparatus, RTK GNSS receiver F90, and so on. In addition, a wide variety of surveying and mapping systems and software are also available in the company.

  • 802E Total Station
  • 802E Total Station The 802E total station enjoys good reputation and high market share, due to its excellent performance and various configurations. It has a high density and large screen display, and the design of alphanumeric key, function key and navigation key allows for convenient Operation. In addition, the key can also be freely defined to meet customers' different measurement needs. Our total station is widely used in engineering surveying, teaching and training, precision industrial installation, construction and many other areas.
    The total station has a large internal memory that can store 50000 points of data...
  • TDJ2E Optical Theodolite
  • TDJ2E Optical Theodolite The TDJ2E optical theodolite is a precision optical instrument that can be used for various professional surveying in the construction and many other fields. As the performance and technical parameters of this product are in full compliance with the GB/T3161-2003 national standard, it can be used for third and fourth class national triangulation, precise traverse survey, setting out survey, and precision machinery installation. Our optical theodolite is usually placed on a universal tripod, and can be commonly found in the hydrological investigation, geological exploration, road laying, water course, bridge, water control projects...
  • 812ERS Total Station
  • 812ERS Total Station The 812ERS total station is an easy-to-use measuring instrument, and comes with a user friendly interface. It can realize reflectorless distance measurement, with a measuring range of 350m. The design of alphanumeric key, user defined function key and navigation key allows for convenient and fast Operation. In addition, only by pressing one function key, the total station can start measuring and recording the measurement data quickly. It also has the advantages of simple Operation, fast and accurate distance measurement, so it is widely applied in various surveying and mapping work...
  • AL100 Automatic Level
  • AL100 Automatic Level The high precision AL100 automatic level can meet the accuracy requirement of national third class leveling and can also meet customers' different measurement requirements. It comes with a height accuracy of 1.5~2.5mm and a setting accuracy of ±0.3". This automatic level can also be equipped with the plate micrometer and indium steel ruler.
    With the stylish and portable design, the automatic level is most suitable for field surveying work. It is composed of a high-precision compensator, with a high compensation accuracy of ±0.3". ..
  • 912ER Total Station
  • 912ER Total Station Our 912ER total station is a reflectorless (free prism) total station designed with a RS232C compatible and asynchronous serial data transfer interface, digital input keyboard and a large LCD screen with text data displayed on it. It adopts the absolute code technology for angle measurement, and can read the absolute angle, thus improving the angle measurement performance. The vertical angle doesn't need to be initialized after the total station is powered on, and the horizontal angle can be saved without re-orientation even after the electricity is cut off. This total station also adopts CCD as the receiver, high-speed CPU processor ...
  • DAL Digital Level
  • DAL Digital Level The DAL digital level is a leveling instrument that can be widely used in engineering survey, topographic survey, and mine surveying. Our DAL0732 and DAL1032 digital level with DS1 grade can be used in the national second class leveling and other precision leveling, with a measuring accuracy of ±0.7mm. In addition, our DAL1528 digital level with DS3 grade is most suitable for the national third and fourth class leveling and the leveling of general project, and comes with a measuring accuracy of ±1.5mm. All these electronic levels can work properly with the temperature ranging from -20 ℃ to +50 ℃.
  • Laser Theodolite
  • Laser Theodolite The laser theodolite is a combination of advanced digital theodolite and modern semiconductor laser, and is a professional measuring instrument that can project a visible laser reference line for accurate measurement in construction and other fields. The display interface with big screen and the Operation panel with big buttons allow for easy Operation. It also has a RS-232C serial communication interface, and can store 500 points of measurement data. When coupled with the diagonal eyepiece, this electronic theodolite can be used instead of the plummet. Through the use of this instrument, both the horizontal and vertical angle can ...
  • RTK GNSS Receiver
  • RTK GNSS Receiver F90 The host system adopts a new ARM architecture based on a 32-bit processor, which ensures high processing speed, good real-time performance and lower power consumption. Compatible with the standard disk file system and USB protocols, this GNSS receiver allows for fast and convenient downloads.
    Supplied by NovAtel, the host board of our RTK GNSS receiver F90 adopts OEM card, which has 54 channels and can receive GPS satellite signals, GLONASS satellite signals, and SBAS signals. The use of PAC and Vision-related technology effectively eliminates multipath interference signals from the vicinity ...

We is a leading manufacturer of surveying and mapping instruments and a main supplier of comprehensive measurement technologies and services in the world's surveying and mapping industry. Subordinating to Beijing Instrument Industry Group Co. Ltd., We is a key enterprise in the group's scientific instrument unit, and a hi-tech enterprise of Beijing. We is the executive director of the China Instrument Manufacturers Association cum the deputy director-general of the China Association of Surveying and Mapping Instruments, the director of Chinese Society of Geodesy Photogrammetry and cartography, and the contracted equipment manufacturer for the PLA General Armament Department.

The history of We, evolving from Beijing Optical Instrument Factory, a company established in 1958, is the epitome of the development of China's surveying and mapping industry. Having insisted on the development strategy of technical innovation, We has successfully developed optical theodolite, water level, plumb aligner, ranger finder, electronic theodolite, total station, GPS receiver and other products of diverse types and accuracy grades, and become an important R&D and production base for opto-mechatronics precision measuring instruments. In 1995, We qualified the ISO 9001 Quality Assurance System certification as the first one of its peers in China. Throughout its half-century development, We has grown into China's most competitive manufacturer for the whole series of surveying and mapping instruments, which are widely applied in geodesy, engineering survey, education and teaching, national defense, monitoring and prospecting etc. Thanks to their excellent performance, superior manufacturing process, and a sound sales and after-service network, We's products have won high praise from their users. The trademark "We" has become a prestigious brand in the world's surveying and mapping industry.

We has a doctoral research station identified by the Ministry of Personnel and an enterprise technology center authorized by the Beijing municipal government. We hold dozens of patents and software copyrights as well. In recent years, we have devoted ourselves to the application of high-tech and focused on the development of close-range photogrammetry system, CCD deformation monitoring system, advanced GNSS receiver, high-performance total station, digital level, and other measurement products and systems. Our unremitting efforts have made us a measurement solution expert in providing our customers with comprehensive measurement technologies and services.

Insisting on the management concept of "people-centered, customer foremost, innovative development and pursuance of excellence", and the enterprise values of "creating together, succeeding together and sharing together", We will continue providing its customers with products and services of the highest quality.