1. Land surveying and mapping: Land surveying and mapping is one of the main businesses of surveying and mapping companies, including the survey, measurement and calibration of land boundary markers. This is a necessary procedure stipulated by the state and requires professional surveying and mapping personnel, so it is one of the main sources of funds for surveying and mapping companies.
2. Engineering surveying and mapping: Engineering surveying and mapping mainly includes surveying and mapping of various projects such as building engineering, road engineering and bridge engineering. Surveying and mapping companies need to provide a series of surveying and mapping services such as topographic survey, architectural survey and leveling survey, provide accurate surveying and mapping data, and provide reference for engineering construction.
3. Marine surveying and mapping: Marine surveying and mapping is an important strategic task of the country, which requires surveying and mapping companies to provide a series of services, such as marine resources survey, seabed topographic survey and marine environmental monitoring, to contribute to the national marine cause, and is also one of the important sources of income for surveying and mapping companies.
4. Spatial information technology services: With the development of satellite remote sensing technology, surveying and mapping companies can also provide a series of spatial information technology services through satellite remote sensing and geographic information systems, such as digital map making, spatial analysis and remote sensing image processing. To provide accurate spatial information for all walks of life.