Ningyuan Fastener
Ningyuan Fastener
At Handan Ningyuan Fastener, we understand that a Fish-Scale Expansion Bolt is more than just a fastener; it is a critical component ensuring structural integrity in heavy-duty anchoring systems. Our technical roadmap focuses on material fatigue resistance, advanced corrosion protection (such as hot-dip galvanization and Dacromet coatings), and load-bearing optimization.
Leveraging over 20 years of experience, we refine the expansion geometry of our bolts to ensure maximum contact surface area within concrete, providing superior pull-out resistance compared to standard expansion anchors.
We are transitioning into "Smart Fastening," integrating IoT sensors for real-time load monitoring and structural health tracking, essential for the next generation of smart city infrastructure.
Handan Yongnian is the epicenter of the global fastener industry. Our facility, covering 20,000 square meters, utilizes a vertically integrated supply chain. From raw wire rod processing to the final electroplating, we maintain 100% control over quality, ensuring competitive lead times and cost efficiency that sustains global construction projects.
With over 50 production lines and an annual output exceeding 60 million pieces, we support large-scale infrastructure projects across Southeast Asia, Europe, and North America without compromising quality.
We strictly adhere to ISO9001, RoHS, and EU testing standards. Every batch undergoes rigorous tension and chemical composition testing to meet international safety certifications.
Our fish-scale expansion bolts are engineered for versatile environmental conditions. Whether it is seismic bracing for commercial high-rises or anchoring solar photovoltaic systems in corrosive, high-moisture environments, our solutions are tailored to local installation codes.
A: Our fish-scale design provides a multi-point anchoring contact, distributing the load more evenly across the substrate, which significantly reduces the risk of concrete spalling under high-tensile pressure.
A: Yes. We offer hot-dip galvanizing, mechanical galvanizing, and specialized Dacromet coatings designed to resist salt spray and oxidation for over 2000 hours.
A: Absolutely. Our technical team provides free installation consultation, ensuring your local crew uses the correct torque and drilling depth for the specific substrate material.
