laser marking machine 1. high quality 2.high efficiency 3.low power consumption ... .low use cost and so on. Specifications for Laser marking machine : The working life of the semiconductor is about 20000hours, which ... Spare Parts, IC(Integrate Circuit), Electric, Appliance, Moblie&Communication, Hardware, Tool Parts, Precision Apparatus, Glasses&Watch, Jewelry, Auto Parts, Plastic&Rubber ...