Zhoushan Nadi Screw Manufacture Co.,Ltd. is a leading high-quality Screw barrel for extrusion of sheets manufacturer. By virtue of over 20 years of professional experience, Nadi has been growing at a steady pace and has been always committed to creating a world top provider of Screw barrel for extrusion of sheets. It owns a series of unique functions for R&D, design, production and aftersales which enable the products to be distinguished from others. We only use first-class and check every production procedure to ensure precise production of every size. A final complete inspection will be performed before dispatch.