Cutters are widely used to cut the asphalt surface, cement road surface, concrete goods and stone of municipal, construction, telecom, highway, bridge, free water pipes and Airport construction projects. With the use of the diamond cutters, longer service life is guaranteed. The cutting speed is higher except the incision is regular and artistic. The spraying system comes with water-tank, cooling water is sprayed to the blades to lubricate and cool the blades, which enhances the service life of the blades.