Concrete road and steel bridges shot blasting machine is a cost-effective and environment friendly method for preparing concrete and steel surfaces. It is widely used in China and other developed countries for its easy operation and high productivity. The shot blasting machine leaves the surface immediately ready for application of coatings or overlays-eliminating while other traditional preparations methods need long drying time and costly disposal procedures. Shot blasting is the preferred method of surface preparation, recommended by most coating manufactures and workers. It produces excellent bonding characteristic that reduce coating failure and maximum floor service life.