We have : Screw & Barrel for Injection Molding Machines(wehave drawings for Haitian Chen Hsong etc. )
Screw & Barrel for Extrusion Machine --Electrical Cable , Blow Film , BlowRecycle Pelletizing , Casting Film , Plastic Plate and Sheet , Plastic Profile Extrusion Machines etc.(drawing can be customized )
Your inquiry pls feel free to find kaylee(at)tizatech.com !