Custom processing: Brand: build support Model: U40 Material: ductile iron Usage: circuit transmission, surge arresters, transformer substation insulator iron cap Product Certification: ISO9001: 2008 connection structure tags: steel foot glass insulator iron cap Model: U40, U70, U120 etc Keywords: steel cap, porcelain steel cap, iron caps, insulators iron cap, suspension insulator steel cap, suspension insulator iron cap, glass insulator iron cap Product Description: 1. Material: malleable iron. 2. R & D: specialized engineers, according to user requirements of various standards, timely models, materials products, delivery. At the same time support the new ball you can pass the relevant technical data sheet, we have a special engineer for the specific requirements of your production mold. 3. Product quality and fully meet IEC standard 4. Usage: circuit transmission, lightning arrester and substation accessories. 5. Packaging: GB package or special customized according to customer requirements. 6. Delivery: Customer advances received within three weeks, new customer requirements polished ball depends on the circumstances. 7 Surface treatment: hot dip galvanized zinc coating thickness of 8: 86 Miao meters, customers have special requirements, except 9. Minimum order quantity: 5000 10 supply capacity: 300 000 11 month Delivery place: factory or port delivery.