RG100 Cold Milling Machine is one kind of road maintenance and repairing machinery for asphalt road surface, which is mainly used to dig and renew the asphalt and concrete surface of streets, roads, airports, warehouse, parks and etc. It can efficiently mill off the bumps, asphalt stair stepping, screen –shaped crevices, vehicle tracks, etc. On the surface of roads, and it can also dig holes and make grooves on the road surface. The machine can also be sued for cutting tracks (to make sure a good traction between the tyres and road surfaces) and milling the road surface to be even and flat. For its high work efficiency, simple applicable technology, easy-controlled milling depth, flexible and convenient operation, it has been used widely in the road maintenance and renewing construction.