The grader is the main machine used for shaping and levelling in earthmoving works, and is widely used for large area ground levelling operations such as highways, airports and construction sites。It can complete the road important content field, farmland and other large areas of ground leveling and trenching, scraping, soil, snow, loose, compaction, cloth, mixing, auxiliary installation and clearing work。It is an important equipment in the construction of national defense engineering, mine construction, road construction, water conservancy construction and farmland improvement。