... PPS, PA6T, LCP,VO fire protection, ferrous power, magnetic powder and etc. Meanwhile,Used for PVC + 30% CaCo3, ... foaming, high foaming, high filling, wear and corrosion.Parallel twin screw and cylinder display:International Standard Packing: Exhibition experiences: ... more than 20 year of manufacturing and designing Plastic machines, varied Screws and Barrels and spares. We concentrate on improving ...