Be cleaned surface instead of high pressure water jet QingChuFa line, any marking paint residue, also won't have any damage at the same time, the whole road will become very clean. The line because some of the operation to the requirements of environmental protection is becoming more and more is also high, so high pressure water jet marking QingChuFa arises at the historic moment, become the European and American countries in recent years to prefer a line cleaning method, the main construction machinery for line of high pressure water jet cleaning machine. Washing machine using the pressurization system to make the nozzle injection water, the water jet has strong impact force and cutting force, can be directly into the asphalt in the pore to remove marking paint.