... Shot Blasting Device ISO9000,SAE OEM Strict Quality Control QG Steel Pipe Blast Shot Blasting DeviceCE and ISO9001 certificate Product Introduction: ... of UV. It applies in the line of petroleum &chemical, steel, city group heating, group drainage etc. diameterCleaning sizemmCleaning speedm/ ... :Shot blasting machine (Q32,Q37,QG15,QG,Q69,QH69,QT37)steel shot (S70, S110, S170, S230, S280, S330, S460, S550, ...