TOKIN   specializes in manufacturing and supplying top-quality screws, barrels, tooling accessories for plastic and rubber machinery. With over 20 years of experience in the industry, we are committed to providing our customers with the best products and excellent customer service. The screw barrels are made with high-quality materials and advanced treatments such as Bimetallic alloy /Nitriding and Hardening to ensure durability and longevity. Our strict quality control system includes the use of advanced testing equipment and inspection procedures to ensure that our products meet ...