... : marking machine, 3.5" LCDcontroller, 2 marking pins) CNC Automatic 3.5" LCD Touch Screen Marking MachineBasic principlesComputer controls ... move around, and easy to use, capable to mark Chinese and English characters, Arabic numbers and graphs, automatic marking ... in Automobile, bodywork of motorcycle, car frame ,automotive chassis, engine, mechanical part, machine tool, metal pipe, gear, pump body ...