Explore our highly-engineered sintered rare-earth components, manufactured to strict aerospace and automotive tolerances.
Welcome to Zhejiang Laysun Magnetics Ltd., your trusted partner in the world of advanced magnetic solutions. Since our inception in 1999, we have grown to become a national high-tech leader in manufacturing rare earth magnets, a testament to our unwavering commitment to excellence in this niche field.
Founded at the turn of the millennium, Zhejiang Laysun Magnetics Ltd. has rapidly evolved from a visionary startup to an industry pacesetter. Our state-of-the-art factory, sprawling across 100,000 square meters in the vibrant city of Suining, Sichuan, is the heart of our operations. Here, our dedicated team of 300 employees works tirelessly to produce an impressive 5,000 tons of rare earth magnets annually.
Delving into the magnetic optimization patterns and material science behind complex geometries.
In modern industrial applications, standard block or cylinder shapes often fail to deliver the targeted flux distribution required for high-efficiency rotary and linear designs. Triangle Neodymium Magnets (NdFeB) are geometrically engineered to address these complex limitations. By tapering the shape to a triangular profile, engineers can manipulate the magnetic pole faces, concentrate the flux density toward the apex, and significantly reduce spatial leakage. This geometric optimization is crucial in specialized motor configurations, sensor matrices, and Halbach arrays where magnetic vectors must be steered dynamically.
We utilize cutting-edge Sintering and Grain Boundary Diffusion (GBD) technologies to preserve magnetic coercivity (Hcj) in high-operating-temperature environments (up to 220°C). By selectively introducing Heavy Rare Earth elements like Dysprosium (Dy) and Terbium (Tb), we minimize costs while optimizing core thermal performance.
Sintered NdFeB materials are notoriously brittle. Zhejiang Laysun Magnetics utilizes high-precision CNC wire-cutting, slow-feeding grinding, and double-sided lapping processes. This guarantees dimensional tolerances as tight as ±0.02mm, preventing mechanical failure under centrifugal load.
Due to the high iron content in Neodymium alloys, surface treatment is imperative. We offer state-of-the-art multi-layer electroplating including Ni-Cu-Ni, black epoxy, zinc, and specialized chemical vapor deposition (CVD) coatings, tested to survive 1000+ hours in salt spray testing chambers.
Watch our production lines, raw material quality checks, and magnet testing capabilities.
At Laysun Magnetics, our ethos is built on four pillars - Quality, Credibility, Technology, and Innovation. These values are the cornerstones of our operations, guiding us in delivering products that not only meet but exceed the expectations of our clients.
Our relentless pursuit of technological advancement is not just about staying ahead of the curve; it's about setting new standards in the magnetic field. We are deeply committed to exploring and harnessing the potential of rare earth magnets, ensuring that our products not only serve current needs but also pave the way for future innovations.
To continue being a beacon of innovation and quality in the magnetic industry, empowering technologies of today and tomorrow with our cutting-edge magnetic solutions.
How Zhejiang Laysun Magnetics shapes future technologies across key commercial sectors.
Ultra-compact magnetic solutions optimized for high fidelity acoustic components, haptic feedback actuators, and smart positioning devices.
Eco-friendly permanent magnets that optimize power-consumption vectors for high-efficiency inverter compressors and smart appliances.
A comprehensive overview of our standard and customized rare-earth permanent geometries.
Headquartered in Hangzhou, China, Zhejiang Laysun Magnetics Ltd. has built global subsidiaries, strategic warehouses, and distribution offices to serve our diverse international clientele seamlessly.
Whether shipping heavy bulk shipments of magnetic raw materials via sea cargo, or handling expedited air freight for critical prototyping stages, our logistics framework is optimized for minimal lead times. We maintain direct partnerships with key domestic ports (Shanghai/Ningbo) to guarantee swift customs clearance and robust freight consolidation.
Our operational management complies with stringent international quality standards, backed by robust testing laboratories.
To operate safely in safety-critical sectors like electric vehicles (IATF 16949 requirements) and oil and gas flow systems, every rare-earth alloy batch we formulate undergoes rigorous verification. Zhejiang Laysun Magnetics maintains a robust quality management framework certified across multiple standards including ISO 9001 and ISO 14001. We ensure our materials are RoHS and REACH compliant, preventing contamination from toxic trace metals during the sintering processes.
Answers to critical engineering questions about Triangle Neodymium Magnets and high-performance design parameters.
A: Triangle magnets concentrate the magnetic field vectors at the narrow apex, which creates a higher localized flux density. This design is highly beneficial in Halbach arrays, high-speed rotor profiles, and specialized brushless DC motors where spatial limitations prevent the use of traditional block geometries.
A: We manufacture NdFeB magnets across all standard operating ranges: M (up to 100°C), H (up to 120°C), SH (up to 150°C), UH (up to 180°C), EH (up to 200°C), and AH (up to 220°C). We adjust the Dysprosium and Terbium levels to match your exact thermal load requirements.
A: GBD is a precision metallurgy technique that diffuses heavy rare-earth elements like Dy or Tb into the boundaries of the Nd2Fe14B grains, rather than throughout the entire core structure. This method increases magnet coercivity (resistance to demagnetization) while maintaining high residual induction (Br), without excessive raw material costs.
A: NdFeB contains iron and oxidizes easily. We offer robust electroplating options including multi-layer Ni-Cu-Ni, heavy-duty black/gray Epoxy, and Zinc (Zn) platings. We also offer specialized passivation and chemical vapor deposition treatments tailored for harsh chemical environments.
A: Yes. Utilizing high-speed multi-axis diamond grinding equipment and wire EDM systems, we can guarantee tight tolerances down to ±0.02mm. This precision allows seamless assembly in high-speed, dynamic motor rotors and optical sensor housings.
A: Absolutely. All of our rare-earth magnet materials undergo regular third-party chemical validation to ensure strict compliance with RoHS, REACH, and California Proposition 65 safety regulations, ensuring seamless export across EU and North American markets.
Browse our extensive selection of industrial magnets, direct from our production facility.
Laysun Magnetics