... , POM, PET, HDPE, HIPS,PBT,etc)Mould Making:1. Material of steelcavity and core use imported S136 stainless steel with fine ... ,cavity with lower injection pressure to reduce wear and tear of mould parts. 4.heat system with double heating system,it ... mould mainfold plate,small heaters supply the heating temperature for cavity nozzle continuously.5.cooling system each parts including core ,cavity and ...