... supply220V/1Kw 3. Applicable industriesIt is widely used in industrial bearings, gears, all kinds of auto ... packaging, jewelry, tobacco and many graphic and text markings in other fields. 4. Applicable materialsGold, silver, copper, ... hard alloy, chrome, titanium and other metals, ceramic, PVC, plastic, epoxy resin, leather and other non-metallic materials ... laser marking fiber laser beam made in China