We are professional manufacturer of carbon screw and stainless screw in Taiwan, and also bi- metal screw. We persist the innovation, development and design of various screw application. We are highly specialized in developing new models for customers. Contact us, you will get Quality Fasteners, Best Price, On Time Delivery and Perfect Service. Bi-metal screw, Self drilling screw, Chipboard screw, Drywall screw, Window screw, Stainless steel screw....