1.Single screw barre for pvc shrinkable film extrusion 2.Material:38CrMoAlA; 3.Highquality alloy layer ... SCM440)9Cr18MoVCW6Mo5Cr4V2SKD11,61GH113Discount AvailableApplicationABS,PP,PA66,LCP,PC,EVA,PS,U-PVC,PVC,PU Payment TermT/T, L/C, WESTERN UNIONTechnical Process1.Rough ... competitive price, We Emphasis On Cooperation. Single screw barrel for pvc shrinkable film extrusion