Large-capacity Multi-arc Vacuum Coating Furnace for Decorative Coating of 3C Electronic Components This large-capacity multi-arc vacuum coating furnace is specially engineered for decorative PVD coating on 3C electronic components. Built with an enlarged coating chamber, it enables batch loading and high-volume production to meet large order demands. Adopting reliable multi-arc ion plating technology, it forms uniform, high-adhesion decorative films on metal 3C parts,