... is suitable for LSR inject product, surge arrester, hollow core insulator, bushings etc. from 110kv to 1000kv. 1.Mold cavity: 1 cavity ... , etc5.Value-added service: polishing, nitrogen treatment, black coating, etc6.Mold package: iron case7.Delivery time: 60-90days8.Design and manufacture ... according to customer's drawings.9.we also have rubber inject machine for testing the mould, so you do not worry ...