... esay to marking 3electro-magnet marking machine 4 metal engraving machine 5pin marking machine This kind of marking machines,with ... precision0.02-0.05mmWork enviromentRegular work environmentFunction introductionMain machine can work through long cable wire far away ... ,etc on body,framework,base plate,pillar,engine,and other big ,heavy materials.Major partsMain machine, pneumatic marking controller ...