... 15W model CO15W ,the 25W Model CO25W and the 50W model CO50W . CO2 laser marker use. Adopt Import RF excited CO2 tube ... assures a long time life cycle and maintenance free operation . CO25 and CO50 also best choice for "marking – on- the -fly", suiable for ... , medicines, food, drinking package, leather products, rag trade, woodworks, craftworks and package. CO2 laser marking machine (CO10W)