Mould base: S45C, S50C, P20, Stainless steel with electroplating Mould core/cavity/screw: 35Crmo, 2316, S136, 635, 1.2308 steel etc Mould cavity: 1-96 for choice Preform neck: 18-400mm for choice Preform weight: we have made 5-3000g for choice Warranty time: 1 year Mould type: normal, self lock, pin valve gate preform mould Please inquiry us for more details, thanks.