1) Are you Manufacture or Trading company ?
We are a professional manufacture more than 10 years . we have two Factories in Hangzhou and Changzhou
Usually for Whole machine . Warranty is 1 year ( but not incleads wear parts like : blasting hose .blasting nozzles and gloves )
3) What kind of abrasive be used in your sandblast machine ?
For suction type sandblast cabinet : Glass beads . garnet .Aluminum oxide etc non-metal abrasive 36-320mesh media could be used
For Pressure type sandblast machine : can use any media which less than 2mm includes steel grit or steel shot media