Laser marking
https://martlaser.com/product-....category/laser-marki

Laser marking enables precise, permanent engraving on metals, plastics, and other materials. Ideal for serial numbers, logos, barcodes, and decorative designs, it provides durability without damaging the surface. Used in manufacturing, electronics, and promotional products, laser marking enhances traceability, branding, and quality assurance with speed, accuracy, and consistency.
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