... INJECTION MOLDS AND MACHINERY IN CHINA. PP preform mould NameDescription PP preform mould material45#, P20, S136,3Cr13,2316 etc. PP preform mould ... etc.Plastic materialPP, PE, PET etc. PP preform mould life500,000-3,000,000 ... 1.) All cores and cavities of PP preform mould are employed S136 stainless steel, ... The PP preform mould packaging is adopted wooden box. 32-Cavity PP Preform Mould with Shut-off ...