... :copper or stainless 3,Various sizes Calibration seeves for pipe extrusion mould Material:cooperOur main products:1,PE,PPR, ... mould,etc.2,Multi-color,Multi-layer pipe extrusion mould,Multi-pipe co-extrusion mould,etc.3,Mould components:Screen Changer ... Shanghai Jwell,etc. Our main exported countries:Japan,Vietnam,Philippines,Egypt,Russia,Iraq,India,Chile,Thailand,Argentina,Bangladesh,Mexico,etc. ...