... texts and other kinds of information);(3) Higher precision, consistent marking quality;(4) Markings are permanent with ... supply220V/1Kw 3. Applicable industriesIt is widely used in industrial bearings, gears, all kinds of auto parts ... packaging, jewelry, tobacco and many graphic and text markings in other fields. 4. Applicable materialsGold, silver, copper, ... laser marking fiber laser beam made in China