Use the most advanced laser technology, adopts semiconductor & 808nm wavelength and diode side-pumpApplications & materials It is suitable for marking on various metal and nonmetal materials. Electronic components, IC, electrical appliances, mobile phones, hardware, tools , precision instruments, eye glass frames, clocks and watches, motor accessories, plastic buttons, building materials, drug and food packaging, medical instruments, PVC pipe and so on.lycheezhu(at)hotmail.com