... wide field of application 3. low power but good Semiconductor marking machineItem Code: TRS-DP-50JFeature It is developed for jewelry ... , good light type, stable performance, small light spot, precision marking. Low power: the power of whole machine is 1.5kw ... pendant, tie pin, sleeve button which uses materials like gold, silver, platinum, titanium, stainless steel, copper etc. also the marking or deep ...