Our advantage: we not only produce silicone rubber, but also glass fiber rod by ourselves to assure the quality and best price. Features of insulator: 1) Silicon Rubber for sheds/ housing 2) Glass-fiber reinforced epoxy resin rod (ECR type) for core 3) Hop dip galvanized cast steel for metal fittings 4) Rated voltage:10KV~220KV 5) 5000hours aging test. 6) IEC Standard. Standard.
