... in producing rubber inject mould, specially for insulators, cable accessory, auto part etc. 1.OEM2.passed ISO 9001- ... this fieldrubber mould, specially for insulators, arresters, hollow core insulators, cable accessory, cable jiont, auto part etc. the material is suitable ... P20, S50, S1363.Mold case material: S50,etc4.Mold core material: P20, etc5.Value-added service: polishing, nitrogen treatment, ...