RaYing Industrial Co., Ltd. is located in south of Taiwan, we are one of leading fasteners suppliers and mass-product the series of Screws (Bolts), Nuts and Washers. Many years of development, we expand our production line, including Hexagon Cap Screws, Chipboard Screws, Drywall Screws, Tapping Screws, Flange Screws, Hex Socket Cap Screws, Thread Rod, Special Design, Hex Nuts, Nylon Insert lock Nuts, Flange Nuts, Flat Washers, Spring Washers to supply all customers' demands.