Welcome to the Products showcase at MJ Anchor (Hebei DuoJia Metal Products Co., Ltd.), your premier manufacturer and global supplier located in Handan Yongnian, the heart of China’s fastener production industry. Leveraging the deep technical expertise of our predecessor, the Yonghong expansion screw factory, we produce an extensive portfolio of high-performance industrial components—including Wedge Anchors (DIN 6294), Drop-in Anchors, Sleeve Anchors, and a complete range of Hex Bolts (DIN 933/931), Nylock Nuts (DIN 985), and Machine/Wood Screws—all precision-manufactured to comply with rigorous international standards including GB, DIN, ANSI, ISO, and BS. Our products are specifically engineered for superior structural integrity, torque transmission, and load-bearing reliability across construction, automotive, renewable energy, and heavy machinery sectors. Fabricated from high-grade Carbon Steel (Grades 4.8, 8.8, 10.9, 12.9) or Stainless Steel (SS304/SS316), our fasteners are available with professional surface treatments such as Hot-Dip Galvanization (HDG), Zinc Plating, Dacromet, and Ruspert Coating to ensure exceptional corrosion resistance in extreme environments. With our advanced factory-direct production lines and in-house laboratory testing, we support custom manufacturing for non-standard lengths, specialized head styles, and unique thread pitches based on your specific engineering blueprints. MJ Anchor is committed to delivering reliable, laboratory-tested fastening components that satisfy the most demanding safety and precision standards of modern global infrastructure. For bulk wholesale pricing, material test reports (MTC), or technical consultations, please contact our expert team at Nancy@mj-anchor.com