Bulldozers are one of the main types of construction machinery, which are used for long-distance pushing, ditching, filling, loosening, cleaning, groundbreaking, traction, roadbed construction, material accumulation, surface stripping, leveling and compaction, and cleaning. Snow deicing, garbage cleaning and other operations, one machine is multi-purpose. Widely used in mining, water conservancy and hydropower, construction, transportation, oil field port construction, agriculture and forestry, national defense, building materials, coal, metallurgy, sanitation, and other industries.