gh-zj50 series laser marking machine applicable fields: the machine can be used in components of automobile and motorcycle, astronautic apparatuses, chips of integrate circuit electronics, packages of food, drink and cigarettes, keys of mobile phone, batteries, electric apparatuses, fittings and peripheral equipments of computer, ironware tools, stainless steel wares, electric products, communication products, medical devices, sanitation, cleaning and bathing wares, clocks and watches, jewelries, industrial bearings, electric wire and cable, garment. it can mark both words and graphs.