Key words: Shot Blasting Machine, Cleaning Machine The steel plate pretreatment line consists of lateral hydraulic pressure feeder and blanker, feeding and blanking roller, shot blast system, dust removing system, testing roller, as well as electrical control system (including a workpiece detector). Width of steel plate ≤4000mm Thickness of steel plate 5-60mm Cleaning quality of plate ISO 8501-1.1998A-B SA2SA2.5 standard Painting surface quality Uniform, no flow and drip Painting-film thickness 15-25μm Roughness of surface 40-70μm Efficiency 1-4m/min Dust venling denseness ≤100mg/m3 Size(L*W*H) 60500*4700*7200 General power of machine 705kW All the parts could be customized according to the customer requirement.