By adjusting the parameters, t₩←​ he laser marking laser engraving machin≈δe can mark black, white,♦&​ and gold on the stainless s↕'teel metal texture, and som" ​₽e can also be marked☆₩™ in color. Whether th£≥♥e desired effect can be marked de‍​£pends on the actual proof±↔Ω→ing. Our Fulan laser±♠★¶ proofing is free. If₽×β™ you need it, you can m✔>ail the sample to our company forασ  proofing.