... YAG-ZJ50W-II adopts imported high efficiency semiconductor embattle laser, and pump Nd.YAG Crystal stick. It is high efficient in ... long time working. It has a better effect than lamp-pump laser machine in metal marking field Applicable Scope: Ordinary ... like iron, copper, aluminium, magnesium, zinc, etcâ?¦), rare metal and alloy(gold, silver, titanium), metal oxides, ABS materials (enclosures of ...