... ,CNC machine and so on5)Commodity list: CommodityProjectCircular paper trimmer knivesMaterialSKH,SKD etc.Diameter 300mm or depends on the ... customer's request and drawing Thickness10,12.5,15mm etc.Positionabove.belowPackaging materialPE,carton or ... grinding machine ,CNC machine etc.6)Advantages: Circular paper trimmer knives has good abrasion resistance and high processing accuracy. ...