Multi Arc Ion Vacuum Coating Machine for Titanium Nitride Coating and Decorative Surface Finishing Description Our multi-arc ion vacuum coating machine is designed for titanium nitride (TiN) coating and various decorative surface finishing. It produces uniform, high-adhesion metallic finishes on metal, ceramic and glass workpieces, widely used for hardware, sanitary ware and decorative parts. Stable operation and customizable chamber size for your production demands.