Place of Origin : Huang Yan,China
28mm / 30mm preform moulds cavity steel: Stavax S420 made in Sweden, stainless, heat treatment with HRC50±2 28mm / 30mm preform moulds core steel: DIN 1. 2083 made by Thyssen Krup German, stainless heat treatment with HRC48±2. •28mm / 30mm preform moulds screw neck steel: DIN 1. 2083 made by Thyssen Krup German, stainless heat treament with HRC55±2. •28mm / 30mm preform moulds A/B/C plate steel: 718 steel made by Shanghai Bao steel, prehardened with HRC35±2, Nickel plating is available.