Engineered components developed in compliance with international B2B quality standards.
As the primary driver of high-efficiency motion control, Sintered Neodymium-Iron-Boron (NdFeB) permanent magnets represent the pinnacle of modern rare-earth engineering. Generating exceptional magnetic energy product (BH max) relative to their physical volume, these materials are core to the green energy transition and industrial automation sectors worldwide.
Global logistics, regional compliance standards, and metallurgical supply chain integrity are vital criteria for modern engineering procurement managers. Modern manufacturers do not merely press alloys; they develop tailored coatings and refine crystalline boundary structures to secure maximum structural life and magnetic resistance against demagnetization.
Since our inception in 1999, Zhejiang Laysun Magnetics Ltd. has built a reputation as a leading manufacturer in the rare earth permanent magnet sector. Positioned as a prominent national high-tech enterprise, we integrate fundamental material research, structural engineering, advanced coating applications, and high-volume industrial production.
Operating a modernized, digital production facility of 100,000 m² located in Sichuan, our 300+ trained specialists combine metallurgy with automated machining lines to deliver high performance. We support clean-energy transitions, automotive innovations, and consumer electronics globally.
Procuring NdFeB permanent magnets for demanding industrial architectures requires analyzing performance parameters beyond surface magnetic strength. Engineering teams look closely at the demagnetization curve (B-H curve) under peak operational conditions.
Maintaining high residual induction (Br) is essential for peak magnetic force. However, systems operating in high temperatures must maintain high intrinsic coercivity (Hcj) to resist demagnetization under strong opposing magnetic fields.
Standard grades display rapid flux deterioration as temperatures climb. Incorporating heavy rare earth elements like Dysprosium (Dy) and Terbium (Tb) limits thermal degradation, allowing operation up to 220°C.
For high-speed rotors like automotive EPS systems, mechanical balance requires dimensional tolerances as low as ±0.01mm. This level of precision prevents rotational imbalances and premature component wear.
| Material Grade Group | Remanence (Br) T | Coercivity (Hcb) kA/m | Intrinsic Coercivity (Hcj) kA/m | Max Energy Product (BH) max kJ/m³ | Max Operating Temp (°C) |
|---|---|---|---|---|---|
| N35 - N52 (Standard) | 1.17 - 1.48 | 828 - 907 | ≥ 955 | 263 - 418 | 80 |
| N33M - N48M (Medium Temp) | 1.13 - 1.43 | 820 - 899 | ≥ 1194 | 247 - 382 | 100 |
| N30H - N45H (High Temp) | 1.08 - 1.37 | 788 - 867 | ≥ 1353 | 223 - 358 | 120 |
| N28SH - N42SH (Super High) | 1.04 - 1.32 | 756 - 836 | ≥ 1592 | 207 - 334 | 150 |
| N28UH - N38UH (Ultra High) | 1.04 - 1.25 | 756 - 804 | ≥ 1989 | 207 - 302 | 180 |
| N28EH - N35EH (Extreme High) | 1.04 - 1.21 | 756 - 780 | ≥ 2387 | 207 - 279 | 200 |
How Zhejiang Laysun Magnetics delivers specialized solutions for high-performance industry applications.
Maintaining quality standards at scale requires careful metallurgical control. Zhejiang Laysun Magnetics employs a clean-room processing sequence for every batch of sintered rare earth magnets:
Our foundation rests on Quality, Credibility, Technology, and Innovation. These core values guide our engineering processes, helping us deliver rare earth components that meet demanding industrial specifications.
We work to advance rare-earth technology through research and development. By refining alloy compositions and developing new coatings, we support the evolving needs of clean energy systems.
We aim to remain a reliable industrial source for rare earth magnetics, providing efficient, high-performance solutions for international green energy, industrial robotics, and EV sectors.
Navigating global regulatory systems is a critical aspect of international supply chains. At Zhejiang Laysun Magnetics, we support our clients' environmental and quality requirements through complete alignment with key certifications.
Our materials conform strictly to RoHS and REACH regulations, eliminating restricted heavy metals and chemical elements. We maintain raw material traceability from mine to final component to meet conflict-free minerals standards.
Certified operations verified through recognized international standards bodies.
With headquarters in Hangzhou and our production plant in Suining, Sichuan, Zhejiang Laysun Magnetics coordinates supply chains with major global logistics hubs.
We work with international logistics providers to coordinate containerized ocean shipping, rapid air transport, and regional warehousing. Our system helps minimize lead times and ensures prompt customs processing for our overseas clients.
Custom magnetic configurations engineered for industrial, medical, and consumer electronics applications.
Partner with our engineering team to define tolerances, magnetic properties, and coatings for your project.
Our engineering support services are available to assist with custom specifications. We provide complete technical data, including B-H demagnetization curves, thermal loss characteristics, and dimensional compliance reports.
Zhejiang Laysun Magnetics Ltd. — Delivering technical support and manufacturing capacity since 1999.
Response Time Policy
All technical specifications and commercial quotes are processed within 24 hours.
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