Handan Da Duo Carriage Bolt Manufacturing Factory was founded in 2003, Under the leadership of the factory director, our technical workers, through unremitting efforts, the enterprise has grown from small to large, from few to many, from weak to strong, and now has an annual production capacity of more than 8,000 tons. There are 30 sets of small, medium and large equipment. There are more than 60 employees, including 10 professional management and technical personnel from colleges and technical secondary schools. It mainly produces national standard, ordinary, high-strength, British, American, German, DIN603,DIN607,DIN608,Japanese and other carriage bolts, bridge wires, shelf wires, net wires, guardrail wires, plow tip wires, fishtail wires, hexagonal bolts, flange bolts and other special-shaped parts. The specifications range from 5mm-20mm, and the length ranges from 16mm-400mm. Complete specifications and rich categories. It is a backbone enterprise specializing in the production of carriage bolts in Handan and even Hebei.Our products are sold to major, medium and small cities across the country, and are also exported to Asia, North America, South America, Europe and other countries. For example: Russia, Kazakhstan, Brazil, Thailand, Myanmar, India, Australia, Mauritius, etc. Our products are of high quality, sincere reputation and high market share. And it is growing and developing at a higher and faster speed.