Automatic Multi Arc Coating System for Hard Coatings, Decorative Finishes And Surface Protection Description Automatic multi arc coating system for hard functional coatings, decorative finishes and surface protection. High hardness & strong adhesion, improves wear and corrosion resistance of workpieces. Coating options: hard wear-resistant films for tools/molds, luxury decorative colors for metal hardware. PLC automatic operation, suitable for mass production of cutting tools