... .to gain bright surface. CJ-GT-5 Gun Crawler Type Sand Blasting MachineCharacters:1. It adopts crawler to let piece ... water wave, etc.Suitable sand material: alumina, corundum, glass ball, walnet sand, resin sand, light steel ball, steel sand, stainless steel ball, ... aluminum ball, etc. technical ParameterCJ-GT-5 Gun Crawler Type Sand Blasting MachineThe size of working room1200*1200*1900(mm) Dust ...