HWF, famous brand, has been engaged in the design of fasteners and anchors pieces manufacturing and sales for many years. It owns various types of automated production and testing equipment.,adopts advanced ERP management system, withChinaand abroad large steel mills high-quality raw materials. Production line range ANSI, DIN, GB ,UNI, JIS ,ISO.Species diversity, complete specifications..Products include all kinds of high quality bolts, nuts, screws, sleeve anchor, anchor bolt, bolt anchor, wedge anchor, drop in anchor standard and non-standard special fasteners.