- YongnianDistrict Handan city, Hebei Province
- Nancy@mj-anchor.com
- +86 18131004569
Discover our high-quality carbon steel anchor bolts with a zinc-finish finish. Available in strength grades 4.8 to 12.9, they provide reliable fastening solutions for any industry.
Explore our wide range of ready-to-use fasteners, including Anchor and bolts in grades 4.8 to 12.9 for performance.
Tailor-made fastening solutions designed to meet your specific needs, from unique materials to custom sizes and finishes.
Get expert advice instantly—contact us for fast quotes, technical support, and personalized recommendations.
Established as a premier fasteners factory, DuoJia specializes in carbon steel and stainless products like colored zinc Anchor and bolts in grades 4.8 to 12.9, delivering durable, precise solutions for global industries with unmatched reliability and innovation.
DuoJia Fasteners has become a leading global fastener manufacturer with 15 years of experience, 5,000 tons of annual production capacity, 200+ product types, exports to 50 countries, 95% satisfaction rate and multiple certifications.
DuoJia offers 15 years expertise, 5000-ton capacity, 200+ products, global exports, high satisfaction, and certifications for reliable fastening solutions.
Over 15 years of specialized manufacturing ensuring superior product stability and innovation.
Boasting 5000-ton annual capacity and monthly output of 400 tons for efficient scaling.
ISO 9001 certified quality control with 100% inspections and defect rates below 0.1%
Offering 200+ diverse products like carbon steel eye bolts across grades 4.8 to 12.9.
Achieving 95% satisfaction scores and 85% repeat business from loyal global clients.
Providing grades 4.8 to 12.9 for reliable, high-strength fasteners in demanding applications.
Investing 5% in R&D yielding 20+ patents and 20% improved product durability.
Products are exported to over 50 countries, with global sales growing at an annual rate of 30%.
Delivering 1000+ tailored projects with 24-hour response and 98% client success rate.
DuoJia offers a diverse range of fastener solutions, including anchors, bolts, and nuts, available in carbon steel and stainless steel materials. Customization is supported to meet global industrial needs.
Experts in Reliable Anchoring Solutions
Offering sleeve anchors, wedge anchors, drop-in anchors, and other products for concrete fixing. Materials include zinc-plated and stainless steel, ensuring high strength and corrosion resistance.
Precision Manufacturing of Various Bolts
We offer hexagonal bolts, eyebolts, flange bolts, and more, ranging from grades 4.8 to 12.9. Suitable for machinery, construction, and other fields, we offer zinc-plated and stainless steel options
A Complete Selection of Sturdy Nuts
Includes hexagonal nuts, flange nuts, nylon lock nuts, and more. Available in a variety of surface finishes, they ensure secure fastening and are suitable for industrial assembly.
High-quality washers enhance stability
We offer flat washers, spring washers, lock washers, and more, available in zinc-plated or stainless steel. They help evenly distribute pressure and improve bolted joint reliability.
Self-tapping screws for efficient fastening
We offer self-tapping screws, machine screws, wood screws, and more, with stainless steel and zinc-plated options for quick installation in metal, wood, and plastic.
Customized fastener services
We support custom metal parts such as hooks, clamps, and rivets to meet specific industrial needs. We offer cast iron and stainless steel materials for precision and durability.
Join DuoJia and gain access to professional consulting, customized products, and fast delivery. We support global needs and ensure efficient and reliable projects.
DuoJia offers an efficient partnership process, from consultation to delivery, ensuring your fastener needs are precisely met.
Submit your fastener needs via our website or by phone, and our professional team will respond quickly and provide advice.
Based on your needs, we will provide a detailed quote, including product specifications, price, and delivery time.
After reviewing the quote, confirm the order, ensure the contract is clear, and start production to ensure high-quality output.
After product delivery, we provide tracking services and after-sales support to ensure a smooth cooperation.
