At present, the most widely used in automobile parts, metal, metal, alloy and oxide, ABS, epoxy resin, communication products, plastic buttons, integrated circuit (IC), electronic components, hardware tools, sanitary ware, fashion accessories, aerospace and other industries, he used laser marking machine in the relevant products, such as the name and trademark, product specifications, number and letter, so as to replace the mechanical, printing, chemical etching, ink jet printing and other traditional marking methods.