... ,plate, etc.to gain bright surface. Sandblast EquipmentUsed to clean the surface of steel pipe, tube, sheet,plate,etc. to gain ... details of this machine, it is available at your request.Special design based on the requirements of customer is available.Reference photo ... . The test range is 0 - 600V, 45 - 500HZ. Passed the test, it can ensure our machine working normally under specific power at the User ...