1) vehicle with smoke pollution, sewage, watering, watering, landscaping, drug spraying, pest control, forest fire prevention, rural fire and other functions, is a road construction, landscaping, sanitation and hygiene, fire safety first multi-purpose vehicle ; 2) tank with thicker steel production, internal acid phosphate treatment to improve corrosion resistance; using rectangular tube beam in the form of ribs, under vacuum to ensure adequate strength; 3) pump with integrated design, built-in oil circulation system, comes with oil separator, with pressure relief function, vacuum up to -0.8 atm suction ≤ 4 meters with a clutch separation mechanism and four-way valve; 4) tanks with water cannons and three tail Through the interface, suitable for road maintenance, road watering, forest fire prevention, especially in high-pressure water gun range up to 12 meters, and can rotate 360 ??degrees, water gun head with adjustment function can be achieved with a water jet spray function, suitable for rural roads firefighting narrow environment, through the three-way interface allows external drugs spray equipment, pressure foot, no other power, to achieve automatic sprinkler drugs, convenient and quick.