KZP AND KRP gear pumps adopt the material of high strengh aluminum alloy and advanced technologies of axial clearance floating automatic compensation, radia balance, DU self-lubrication and gear with double pressure angels, making the pumps with the features of high volumetric efficiency, high pressure, lower noise, strong shock resistance, long lifetime, etc. The pumps are widely used in the industries of mining machinery, light industry machinery, environment sanitation machinery, agricultural machinery and the engineering machinery of forklift, loader, excavator, road roller ,crane and so on.