... operations. 1. Machine features(1) Laser marking technology in the above mentioned applications has the following features;(2) ... supply220V/1Kw 3. Applicable industriesIt is widely used in industrial bearings, gears, all kinds of auto parts, hardware tools, ... food packaging, jewelry, tobacco and many graphic and text markings in other fields. 4. Applicable materialsGold, silver, copper, aluminum, ...