Engraving materials and applicable fields and engraving samples The fiber laser is specially used for marking, deep engraving, cutting stainless steel, carbon steel, gold, silver, copper, galvanized sheet and other metallic materials. Some non-metallic materials such as ABS, PVC, and other hard plastics can also be marked on the surface. Applicable fields: aviation, aerospace, electronics, household appliances, subway accessories, automobiles, machinery, precision parts, ships, saw blades, elevators, craft gifts, decoration, advertising, jewelry, ... etc.