Extra-High Voltage Insulators as well as Distribution class are being mass-produced by continuous R&D of Epoxy Insulation Technology. As having secured mass-production system by developing Eco-friendly Solid Insulators in collaboration with the world’s leading companies and finished the development of Epoxy Insulators to 800kV class even in Extra-High Voltage field, Dongwoo Electric Corp. has exported the products to Europe and Middle East area including big domestic companies, and built additionally Extra-High Voltage Insulator manufacturing plants equipped with the newest molding facilities & test equipment in Gyeongju, and raised the productivity and quality by introducing Full-Auto Pressure Devices in Pyeongtaek Factory.