... machine 1.Mark on metal, plastic flat & cambered surface 2.CE approved 3. Continuous work on ... ., barcode, 2 -D code, etc. on metal or nonmetal surface (plastic, silicon or porcelain, etc.) which are precise, permanent, non-polluting ... . diode laser module, scanner head, beam expander, reflect lens, Q-switch, Q-driver and other key parts imported from USA,UK, Singapore ...