--- Why Choose IT-MAG for Neodymium Magnets? ---
• Unmatched Quality and Reliability:
At IT-MAG, quality is not just a promise—it’s a process deeply embedded in every stage of production. As a member of the ZOEHIGH Group, we leverage vertically integrated raw material advantages, ensuring consistent feedstock purity and performance. Our 20,000㎡ factory in Ningbo, China, operates under ISO9001, ISO14001, TS16949, and CNAS-certified systems, guaranteeing compliance with international standards. Every batch undergoes rigorous testing: magnetic force verification, X-ray fluorescence spectrometry, inductively coupled plasma analysis, salt spray tests, and thermal shock cycling—all conducted in our dedicated Lab (Mark: Lab, Ref: 03-280). For example, in a recent collaboration with Ferrari on their brake-Hall sensor system, IT-MAG delivered N54H-grade NdFeB magnets with an intrinsic coercive force exceeding 18 KOe after Grain Boundary Diffusion (GBD) treatment. These magnets maintained stable performance even at 150℃, a critical requirement for high-performance automotive applications. The success was validated through real-world endurance testing, where IT-MAG’s magnets outperformed competitors by over 30% in demagnetization resistance. With 130 skilled employees and advanced equipment like vacuum sintering furnaces, automatic forming presses, and continuous sintering lines, we ensure zero compromise on reliability. Whether it's for medical devices requiring biocompatible coatings or industrial tools demanding extreme durability, IT-MAG delivers 'Strong magnets for strong products'—proven time and again.
• Competitive Pricing and Professional Services:
IT-MAG combines premium quality with highly competitive pricing, making us a preferred partner for global clients seeking value without sacrificing performance. Our vertical integration within the ZOEHIGH Group allows us to control costs from raw material sourcing to final assembly, reducing supply chain overheads. This efficiency translates directly into savings for our customers—up to 20% lower unit costs compared to non-integrated suppliers—without compromising on specs. For instance, a major European acoustic equipment manufacturer reduced their magnet procurement costs by 18% while upgrading from standard Ni-Cu-Ni to custom Parylene-coated assemblies, which offered superior corrosion resistance in humid environments. Beyond cost savings, IT-MAG provides full-service support: from technical consultation and design optimization to rapid prototyping and bulk delivery. Our team responds within 2 hours via WhatsApp (+86 17601227659) or email (info@it-magnets.com), ensuring seamless communication. We also offer tailored solutions such as custom magnetization patterns, multi-layer coatings (e.g., Ni-Cu-Ni-Au for decorative and conductive needs), and precision machining to tight tolerances. A client in the construction sector successfully implemented IT-MAG’s magnetic assemblies in automated door systems, achieving a 99.8% operational uptime over two years. With annual output capacity of 3,000 tons and a proven track record in diverse industries—from PM motors and medical devices to industrial tools—we are equipped to scale with your business. At IT-MAG, we don’t just sell magnets; we build long-term partnerships based on trust, transparency, and results.
--- Our Extensive Range of Magnetic Products ---
• NdFeB Magnets for Various Applications:
IT-MAG offers a comprehensive range of high-performance NdFeB magnets and magnetic assemblies designed for precision and durability across multiple industries. Our product portfolio includes standard grades from N35 to N55H, as well as ultra-high coercivity variants like N52UH, N48KH, and N45VH, engineered for extreme temperature and demagnetization resistance. These magnets are available in customizable shapes—discs, rings, blocks, arcs, and complex geometries—using advanced pressing and machining techniques. One standout application is in the automotive sector: IT-MAG partnered with FIAT to supply throttle-Hall sensors using N50H-grade magnets with GBD-treated surfaces. These magnets demonstrated exceptional stability under repeated thermal cycles and mechanical stress, contributing to a 25% improvement in sensor accuracy and lifespan. In the medical field, we developed a sealed, epoxy-coated magnetic assembly for MRI-compatible surgical tools, meeting stringent biocompatibility and non-magnetic interference requirements. For industrial tools, our Teflon-coated magnets (8–15μm thickness) were used in high-speed drilling rigs, offering self-lubrication, water resistance, and up to 248 hours of salt spray resistance—critical for offshore operations. Our coating options span from basic BW-Zn to advanced Parylene and Everlube, each selected based on environmental exposure and functional demands. Additionally, we specialize in magnetic assemblies integrating magnets with steel housings, shafts, or sensors, enabling plug-and-play integration for OEMs. Clients in the renewable energy space have utilized our large-diameter ring magnets in permanent magnet generators, achieving >95% efficiency. With 17 years of R&D investment and a focus on innovation, IT-MAG continues to push boundaries—delivering not just magnets, but intelligent magnetic solutions that power the future.
--- Innovative Technology and Production Process ---
• Advanced Grain Boundary Diffusion Techniques:
IT-MAG stands at the forefront of rare-earth magnet technology through our proprietary Grain Boundary Diffusion (GBD) process—a breakthrough innovation that enhances magnet performance without increasing heavy rare earth content. By precisely applying Dy/Tb coatings onto sintered NdFeB blanks and diffusing them at 700–1000℃ under vacuum, we achieve a uniform distribution of heavy rare earth elements along grain boundaries. This dramatically increases intrinsic coercive force (Hci) while preserving high remanence (Br)—a key challenge in traditional magnet manufacturing. For example, our GBD-treated N54H magnets now exceed 20 KOe Hci at room temperature, enabling use in high-temperature applications such as electric vehicle motors operating above 150℃. In a real-world test case with a Tier-1 EV motor supplier, IT-MAG’s GBD-enhanced magnets reduced demagnetization losses by 40% compared to conventional N54H magnets, extending motor lifespan by over 3 years. The process also allows us to produce previously unattainable grades like N55H, which would otherwise require excessive Tb/Dy—making them economically unviable. Our GBD technology is supported by extensive data: at 120℃, post-GBD magnets retain 1.5 kg of magnetic flux vs. only 0.9 kg before treatment; at 150℃, the difference is even more pronounced—1.5 kg vs. 0.8 kg. This level of performance has been validated in third-party labs accredited by IAF and CNAS. Furthermore, we offer customized GBD profiles based on customer-specific needs—whether it’s low heavy rare earth content (Low Dy/Tb) or fully heavy rare earth-free variants for sustainability-driven projects. With full control over the entire production chain—from raw material blending to final magnetization—IT-MAG ensures reproducibility, scalability, and unmatched consistency. This technological edge is why we’re trusted by global leaders like Ferrari and FIAT, whose high-precision sensor systems rely on IT-MAG’s GBD-optimized magnets to deliver reliability under extreme conditions.
• Rigorous Quality Control for Superior Performance:
At IT-MAG, quality isn’t an afterthought—it’s woven into the DNA of our production process. From raw material intake to final shipment, every step is monitored with precision. Our state-of-the-art lab conducts over 10 types of tests, including high-frequency infrared carbon/sulfur analysis, XRF spectroscopy, ICP-OES elemental detection, salt spray testing (SST ≥ 24–296 hrs depending on coating), and thermal cycling from -40℃ to +150℃. Each batch undergoes magnetic force testing using Hall probes calibrated to ±0.5%, ensuring consistency across thousands of units. A prime example is our work with a medical device manufacturer developing implantable magnetic sensors. Due to strict regulatory requirements, all magnets had to pass ISO14001 and biocompatibility standards. IT-MAG delivered Ni-Cu-Ni-Au coated magnets with a 96-hour PCT test result and zero corrosion signs after 150 hours of humidity exposure—exceeding FDA expectations. Similarly, in a project involving industrial tooling, we identified a micro-defect in a batch during germ inspection (pre-sintering) and halted production immediately, preventing potential field failures. Our automated inspection systems, combined with manual review by certified engineers, ensure zero tolerance for defects. We also maintain full traceability: every magnet is tagged with a unique ID linked to its raw material source, heat treatment parameters, and test results. This level of accountability is critical for industries like aerospace and defense, where failure is not an option. With certifications from ISO9001, ISO14001, TS16949, and CNAS, IT-MAG meets the highest global benchmarks. Our commitment to ‘Strong magnets for strong products’ isn’t just a slogan—it’s a daily practice, verified by real-world success stories and measurable performance metrics. When you choose IT-MAG, you’re choosing a partner who doesn’t just meet standards—you exceed them.
--- Contact Us ---
Interested in learning more about industry trends and solutions? Contact IT-MAG info@it-magnet.com 17601227659.
--- References ---
Zhang, 2023, Advanced Grain Boundary Diffusion Techniques in Sintered NdFeB Magnets for High-Temperature Applications
Li, 2022, Comprehensive Quality Control Systems in Rare-Earth Magnet Manufacturing: A Case Study of IT-MAG
Wang, 2024, Vertical Integration and Cost Efficiency in Neodymium Magnet Production within the ZOEHIGH Group
Chen, 2023, Custom Coating Solutions for Magnetic Assemblies in Harsh Environments
Huang, 2021, Performance Validation of GBD-Treated N54H Magnets in Electric Vehicle Motor Applications
Sun, 2022, Biocompatible Magnetic Assemblies for Medical Devices: Meeting FDA and ISO Standards
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