conversion ,use air cooling ,small ,volume ,high ,quality ,output beam ,high reliability ,overlong running life ,energy saving. metal material sand parts of non-metallic materials can be carved .It is mainly applied to fields of depth ,smoothness ,high precision demand ,such as cell phone stainless steel sequins ,clocks ,mould ,plastic ,surface ,and marking speed is as 3~12 times as the traditional first generation of lamp pumped marking machine ,and the second generation semiconductor marking machine.