Ningbo Zhenhai Jinyi Mechanical and Electrical Co., Ltd is the premier designer, manufacturer and rebuilder of screws and barrels for the plastics, medical, rubber and food industries. We service the plastics and rubber industires to processors and OEMs worldwide, countries as USA, EU,Mideast,Southeast Asia and North Africa etc... Our technical and Enginnering department offers decades of experience in the field of plastic machinery and screw design. We have developed our own line of screws designs which can be tailored to suit your demand. We complete orders quickly and cost effectively. Whether your firm is large or small, you can count on us to deliver high quality products, quickly and on time. Since several years ago, a generation of high precision screws, barrels and related components has emerged from the manufacturing facilities of our company. We strive to exceed client e

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