Haiyan Dayu Fasteners Co., Ltd. was founded in 2002 and obtained the right to handle independent export in the same year.

Equipped with advanced production equipment, we specialize in manufacturing various bolts, nuts, threaded rods, anchor bolts and matching washers in accordance with ANSI, DIN, BS and JIS standards. Most of our products are exported to the United States, Australia and other countries and regions.

Our featured products, including long-length cold-forged wood screws, carriage bolts and hex head bolts, are well received by customers.

Metric sizes: Diameter 6mm–48mm, Length 6mm–1200mm

Imperial sizes: Diameter 1/4"–2", Length 1/2"–48"

Our products cover strength grades of 4.8, 8.8 and 10.9, and we can provide a full range of surface treatments to meet diverse customer requirements.