Steel cap - porcelain steel cap Name: Insulator caps Model: small PS-13, PS-15, PS-15A, PS-20, PS-13,57-4, TCPS4-15 Keywords: steel caps, porcelain steel cap iron cap, insulator iron cap, suspension insulator steel cap, suspension 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. Manufacturer: Hebei Jianzhi Casting Group Co., electromagnetic steel cap 8. Origin: Yutian County, Tangshan City, Hebei Province 9. Minimum order quantity: 2000 tons