Product description： ZHS-P68 a mini handheld portable pneumatic marking machine, 23 engineers of my company after 8 years of combat experience with German technology, independent research and development of a , the world's most powerful pocket type universal pneumatic marking machine. This machine with its small stature talent showing itself, and known as the marking machine field Elf. number, bar code, VIN code, two-dimensional code and other code patterns for you to choose from, the Elf is suitable for various industries of metal non metal marking, marking in flat, round face, irregular surface, can run freely.