All kinds of screw barrels produced by our company are made of 38CrMOALA alloy steel. After quenching and tempering, finishing, and surface ammoniation treatment, they can also be electroplated (hard chromium plated on the surface), and the screw surface is sprayed with double alloy. The barrel surface uses the advanced production process of bimetallic technology, the centrifugal casting method, so that the products have high wear resistance, corrosion resistance, improve life and other advantages, and can replace imported products.
Parallel twin screw
Screw and barrel specifications
Product application scope
Zhoushan Qiyu Machinery Co., Ltd
Zhoushan Qiyu Machinery Co., Ltd. is a professional manufacturer of screw and glue cartridge in China. The company has strong technical force, advanced process equipment, production facilities and perfect testing facilities to ensure that the production quality meets the requirements. From various screw design: alloy spray welding to various specifications of single screw, tapered, parallel twin-screw; Production of PVC, EVA, TPR, TR, screw, barrel, etc. All of them are of high standard and precision and have won the trust of customers.