Pneumatic dot pin marking machine is called plate engraving machine, which is used to mark numbers, letters and logos on metal cans. In addition to normal marking, the pen of the pneumatic dot pin marking machine also need to be marked with deep (0.1-0.5mm), and high hardness material(HRC82) marking. It can be inserted into the software and operated directly on the touch screen without a PC. the model desigened for marking on different kinds of nameplates, you wanna Marking company logo? No problem!! Marking Serial Number? for sure!! Marking Production date? Easy job!