... :1.Advanced Nitriding Technology.2.Anti-corrosion and Wear-resisting bimetallic welding,spraying,centrifugal casting Technology.3.Quenching, ... products & different output requirement.Materials38CrMoAlA (JIS SACM645)SKD61 ApplicationPVC plate, pipe, profile, pellet and mould, at the same ... Parallel twin-screw and barrel is successfully applied in PVC plate, pipe, profile, pellet and mould, at the same ...