The sandblasting machines apply to 10-490 mm diameter of of all kinds of the internal and external surfaces of the manual operation sandblast homework, remove the dirt, surface derusting appearance, surface strengthening and improving roughness, removing surface stress, etc. (for example: electric meal bao, cup with, titanium, cell phone casing, computer shell, impeller, saw blades, etc) make single or double position according to customers' special requirements.