... .Manufacture 3.Qingdao Seaport 4.Worker training Suriname Shot Blasting Machine For ContreteThis series mainly used in rusty layer on the surface ... the original steel material by the way of using bunches of projectile in high speed to beat the surface, then obtain a ... , it prolongs its service life.lt is the best choice for mesh, steel structure, ship, bridge, engineering machinery, boiler manufacturer ...