Qxy series steel pretreatment line is designed and produced by adopting the advantages of similar products from both within the country and abroad. the rusting cleaning part(shotblast cleaning) adopts high-efficient cantilever centrifugal blast wheel and full shutter type shot\nsand separator. thesweeping machine adopts specially made high-strength nylon rolling brush and high-pressure ventilator. the paint spraying part adopt high-pressure airless spraying method. the complete set of equipment is controlled by plc,