... include: marking machine, 3.5" LCDcontroller, 2 marking pins) CNC Automatic 3.5" LCD Touch Screen Marking MachineBasic principlesComputer controls ... applied in Automobile, bodywork of motorcycle, car frame ,automotive chassis, engine, mechanical part, machine tool, metal pipe, gear, pump body ... .Free training installation and operation for the staffs. CNC Automatic 3.5" LCD Touch Screen Marking Machine