Product Features No need to equip with pneumatic supply or computer, built-in programming system with industrial microcomputer and various USB ports. Able to mark on wide variety of products or signs made of steel, iron, copper, aluminum, plastic and other material. Able to mark in Chinese and English characters, Arabic numbers and any picture with harmonized and aesthetic effects. Serial number automatically increasing or decreasing, VIN code, random code and 2D code, etc. Key factor is high impact frequency of marking head and fast marking speed making. It's possible for mass production to customers' satisfaction. Very small force of marking pin has no influence on the mechanical property of work pieces. Marking depth from 0.02~1mm (adjustable), meeting demands for various marking depth. Simple operation, easy maintenance. Marking sample