Ningyuan Fastener
Ningyuan Fastener
High-precision engineered hardware compliant with ISO, DIN, ANSI, and GB standards for global heavy infrastructure.
Handan Ningyuan Fastener Manufacturing Co., Ltd. (formerly Jin Langtao), founded in 2005, operates from Handan Yongnian—the world-renowned fastener capital of China.
In the modern engineering ecosystem, the demand for high-integrity mechanical joints has reached unprecedented levels. As industrial infrastructure expands across renewable energy, civil seismic mitigation, automotive manufacturing, and underground utility networks, the performance requirements for foundational hardware—specifically screws, washers, and nuts—have shifted from commodity purchases to critical risk-prevention engineering. Handan Ningyuan Fastener Manufacturing Co., Ltd. stands at the intersection of metallurgical mastery and high-throughput production, offering direct OEM/ODM capabilities from Yongnian, Handan.
Over 18 years of rigorous continuous improvement, our organizational structure has evolved into a fully integrated technological enterprise. Driven by a specialized R&D core, an advanced cold-heading and heat-treatment center, and robust international sales channels, Ningyuan delivers end-to-end reliability for tier-1 global engineering EPC contractors.
Pioneering next-generation mechanical load metrics, advanced anti-galling treatments, and hydrogen embrittlement control protocols.
Utilizing premium medium-carbon alloy steel (40Cr, 35CrMo) and high-grade stainless steels (SUS304, SUS316, SUS410), our multi-stage cold forging process retains structural grain integrity, resulting in superior yield-to-tensile ratios exceeding ISO 898-1 Class 8.8, 10.9, and 12.9 mechanical specifications.
To endure extreme offshore, desert, and industrial chemical environments, our manufacturing lines integrate Hot-Dip Galvanizing (HDG compliant with ISO 1461), Dacromet coating, Geomet 500B, and high-durability Zinc-Nickel alloy plating capable of surpassing 1,500 hours of continuous neutral salt spray (NSS) exposure without red rust.
For high-tensile fasteners (Class 10.9 and above), electroplating introduces risk of atomic hydrogen absorption. Ningyuan implements precise post-plate baking procedures (200°C–230°C for 8 to 24 hours) within controlled thermal chambers, guaranteeing total stress relief and absolute resistance to delayed hydrogen fracture.
| Property Parameter | Class 8.8 Carbon Steel | Class 10.9 Alloy Steel | Class 12.9 High-Strength Alloy | SUS316 Stainless Steel |
|---|---|---|---|---|
| Tensile Strength (Rm) | 800 MPa (Min) | 1040 MPa (Min) | 1220 MPa (Min) | 700 - 850 MPa |
| Yield Strength (Rp0.2) | 640 MPa | 940 MPa | 1100 MPa | 450 MPa |
| Hardness Range | 22 - 32 HRC | 32 - 39 HRC | 39 - 44 HRC | 160 - 240 HV |
| Corrosion Resistance (NSS) | HDG: 500+ Hours | Dacromet: 1000+ Hours | Geomet: 1500+ Hours | Acid & Marine Grade (2000+ Hrs) |
| Primary Application | General Structural Framing | Photovoltaic Racking & Automotive | Heavy Machinery & Seismic Anchors | Offshore & Chemical Plants |
End-to-end engineered hardware packages built to withstand critical structural stresses across diverse global sectors.
Utility-scale solar farms require fastening hardware capable of supporting high wind-shear loads and thermal expansion over 25+ year lifespans. We manufacture customized photovoltaic brackets, C-shaped steel channels, U-shaped support rails, H-rails, press blocks, photovoltaic piles, and hot-dip galvanized hex bolt/nut packages optimized for rapid field installation.
Modern commercial and municipal structures rely on robust electromechanical seismic supports to maintain structural integrity during seismic shocks. Our production line delivers seismic support arms, tiger clips, base plates, U-shaped wires, and heavy-duty concrete wedge anchor expansion bolts engineered under rigorous static and dynamic load simulations.
Integrated underground pipe galleries demand anti-vibration, high-moisture resistant connecting systems. Ningyuan supplies complete steel structure bolt sets, embedded plates, embedded anchor bolts, and specialized connecting nuts designed to resist galvanic corrosion and long-term creep stress in subterranean microclimates.
Scalable smart manufacturing, digital quality tracking, and strategic raw material integration.
Spanning over 20,000 square meters, our facility houses more than 50 modern automated cold-heading machines, high-speed thread-rolling stations, automated heat treatment furnaces, and automated optical sorting machinery. Supported by 66 dedicated employees, including 6 senior metallurgical technicians and 15 master operators, we maintain an annual production output exceeding 60 million precision components.
Located in Handan Yongnian, we directly access China’s densest steel raw material supply chain, ensuring short procurement lead times, reduced logistics overhead, and stable pricing even during global market fluctuations.
Explore our specialized fast-drilling screws, structural connectors, and concrete anchoring series.
Adhering to strict international standard audits, certified compliance, and zero-defect quality management.
Handan Ningyuan has established a fully audited quality assurance framework. Our enterprise holds official certifications including:
Our dedicated municipal engineering research center provides free structural solution consulting, thread pitch load analysis, and installation guidance. We support worldwide procurement engineers with:
High-capacity manufacturing covering specialized industrial screws, nylon components, and medium voltage blocks.
Expert insights addressing critical procurement, engineering standards, and manufacturing parameters.
Handan Ningyuan Fastener Manufacturing Co., Ltd. — Your trusted OEM partner for industrial fastening solutions.
Whether you require bulk standard hardware supply, specialized photovoltaic racking fasteners, or custom seismic support assemblies, our experienced engineering team is ready to assist your project requirements.