Founded in 2003, Handan Da Duo Carriage Bolt Manufacturing Factory has flourished under the astute leadership of our factory director and the relentless dedication of our skilled technical workforce. Evolving from a modest beginning, our enterprise has expanded significantly, now boasting an impressive annual production capacity exceeding 8,000 tons. We are equipped with 30 sets of small, medium, and large machinery, and staffed by over 60 employees, including 10 highly qualified management and technical experts from esteemed colleges and technical schools. We specialize in the production of a wide array of carriage bolts that meet national standards, along with ordinary and high-strength variants. Our extensive product line includes British, American, German, and Japanese standards such as DIN603, DIN607, DIN608, as well as bridge wires, shelf wires, net wires, guardrail wires, plow tip wires, fishtail wires, hexagonal bolts, flange bolts, and other uniquely shaped parts. Our specifications range from 5mm to 20mm in diameter, with lengths spanning 16mm to 400mm. As a cornerstone enterprise in Handan and Hebei, we pride ourselves on our comprehensive specifications and diverse categories. Our high-quality products enjoy a solid reputation and significant market share, reaching major, medium, and small cities nationwide, as well as being exported to diverse international markets including Asia, North America, South America, and Europe. Countries such as Russia, Kazakhstan, Brazil, Thailand, Myanmar, India, Australia, and Mauritius testify to our global reach. Our enterprise continues to grow and develop at a remarkable pace, driven by a steadfast commitment to quality and innovation.
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