Trolley Type Shot Blasting and Air Blasting Machine for large and complicate structure of castings Effective volume of blasting room5000×5000×3400mmAir blaster1 no.Size of blasting jobΦ4000 ... applies to pump, steam turbine, machine tool, motor, chemical machinery, construction machinery, and large size of casting, forging and welding machine. Trolley Type Shot Blasting and Air Blasting Machine