Ningbo Zhenhai Jinyi Mechanical and Electrical Co., Ltd. is a professional manufacturer of screw barrels, bimetallic screw barrels, extruder screw barrels and twin conical screw barrels. We have a professional design team with over a decade of experience in the screw barrel field, and use advanced technology and full manufacturing equipment sourced from Japan and the Taiwan area. What's more, we have implemented a comprehensive quality management system in order to keep our service highly efficient and effective.
With 150 members of staff, we have two factories manufacturing screw barrels in Ningbo City and Zhoushan City respectively, and 4 sales centers around China. Our products also sell well in the United States of America, Italy, Germany, Finland, New Zealand, India and South Africa. Of these items, our bimetallic barrels (JK1, JK3, JK5, JK7) and special screw barrels (JPT1, JPT2, JPT3, JPT5) have been widely used by domestic and overseas customers.
Our success depends on your success. Providing customers with comprehensive experience and solutions, we warmly welcome companies all over the world to visit us to build up long-term relationships!

screw barrel
injection machine
extruder