ZHOUSHAN QUNYING PLASTIC MACHINERY MANUFACTORY is a professional manufacturer of extruder screw barrel, injection screw barrel, parallel twin screw barrel, conical twin screw barrel, rubber screw barrel, bimetallic screw barrel and other various types of screw barrel. We are located in east of Zhoushan city, zhejiang province, close to Shanghai, Ningbo port. ZHOUSHAN QUNYING SCREW has strong technical force, equipped with advanced equipment and strict tests. Mostly products materials are selected from high quality powder alloy steel with the best materials to exploit market and most new materials, add reasonable process design through tempering, molding, qualitative, nitriding, fine grinding, polishing process of refining. Till now, our screw barrels have been exported to more than 40 countries all over the world, like USA, India, South Africa, Turkey, Russia and so on. We sincerely welcome customers to negotiate consultation and exchanges guidance. Your satisfaction is our eternal pursue and goal. https://www.screw-barrel.net/
