Multi-arc Ion Vacuum Coating Equipment for Door Handles and Door Locks This multi-arc ion vacuum coating equipment is professionally customized for surface coating treatment of hardware workpieces such as door handles and door locks. Adopting mature PVD multi-arc ion plating technology, it can form dense, uniform and high-adhesion metal and ceramic composite films including TiN, CrN and ZrN on workpiece surfaces. Product Overview This equipment supports various decorative