With over 15 years experience in designing and making screw barrel,Tokin company can supply solutions for you in both injection moulding and extrusion screw barrel works. At present, we can do the work for screw barrels by Bimetallic,Chroming and Hardened treatment, which can be used for different polymer materials, you can please tell us about your polymers info and sizes or please send us your original drawings, we can design based on your different requests. Our commitment to the Plastic’s Industry will always remain, to bring the highest level of service and work closely with our customer to make your company as productive and profitable as possible. Higher Quality,Lower Cost and Faster Delivery,that is our best attitude for the business between us !