manufacture all kinds of electrical apparatuses up to 500KV,such as high & low voltage insulators, bushings and porcelain shells, surge arresters, drop-out fuses, transformers, isolators, capacitor & current and potential transformer, power line accessories, electric wire & cable, power line pole and parts of road vehicles, such as spark plugs and glow plugs as well as special electric ceramic. can supply various products in accordance with IEC, ANSI, AS, BS, DIN and ISO standard to meet the world market.