1.good service and quality 2.competitive price 3.large production capacity 4.delivery on time We can produce transformer bushing insulator according IEC,BS,AS,ANSI,DIN with gray, brown, white,bluesky glaze.1.Material: Porcelain2.Standard: ANSI3.Voltage: 35kv or upper Glaze color: gray or brown 120kv oil-impregnated paper capacitance transformer bushing