we are a big supplier of electric power equipments in china including surge arresters and fuse cutouts and porcelain insulators and composite insulators and hardwares and lamps. we are producing most parts of our products by ourself,for example,zno and sic varistors,bushing,silicon rubber,fibre glass tapes and pull sticks,silicon rubber. zno and sic varistor is the key elements for surge arresters and disconnectors we also provide OEM and CKD service