Detailed Product Description NCQ/F-Luxurious type Marking contentsDigit, Chinese or English character, graph or figureSymbol sizeAdjustable Engraving depth0.02-1mm (adjustable, depending on materials)Marking speed1500-2500mm/minMarking materialsMetal and nonmetal (hardness under HRC55°)Marking surfacePlane surface or circumferential surfacePower supplyAC 220V±10%, 50HzAir supply pressure0.3-0. ...