TGE has always been committed to R&D and production of metal oxide varistor, after more than 19 years of investment in infrastructure, equipment and technological innovation, TGE has independent intellectual property rights in formula of high performance of metal oxide varistor, production technology and patents, with an annual output of 2500 tons of metal oxide varistor production capacity. TGE’s three series of products including high performance MOV, DC MOV and high gradient MOV have been widely used in Chinese 3-1100 kV AC system and +800kV DC transmission and distribution system, electrified railway and rail transportation and other fields.