High-coercivity permanent magnets specifically tailored for high-volume low-speed (HVLS) fans, automotive electric power steering (EPS), and ventilation drive systems.
A Pioneering Force in High-Performance Rare Earth NdFeB Manufacturing Since 1999
Welcome to Zhejiang Laysun Magnetics Ltd., your premier national high-tech leader in manufacturing rare earth magnets. Over the past two decades, we have dedicated ourselves to the development, production, and worldwide distribution of advanced magnetic solutions. Our magnets form the core of highly efficient electric vehicle motors, industrial drivetrains, computer voice coils, and energy-saving permanent magnet fans.
Headquartered in Hangzhou, China, with a massive production facility in Sichuan, we leverage raw material localization and highly efficient logistical networks. This integration ensures unmatched pricing stability, strict quality controls, and high-coercivity products designed to withstand demanding industrial applications.
Unlocking energy savings, thermal tolerance, and supply chain security for global industrial ventilation infrastructure.
Traditional industrial fans utilize induction motors coupled with high-maintenance gearboxes. Direct-drive permanent magnet motors eliminate transmission loss, generating high torque at low speeds with up to 35% higher energy efficiency.
Though permanent magnet motors present a higher initial procurement cost, the drastic reduction in power consumption and near-zero scheduled maintenance yield a typical return on investment (ROI) within 12 to 18 months.
To prevent demagnetization at elevated operation points, our NdFeB alloys feature high intrinsic coercivity (Hcj) ratings. Incorporating heavy rare earth elements like Dysprosium (Dy) ensures stable performance up to 240°C.
Modern industrial and HVAC permanent magnet fans rely heavily on Sintered Neodymium-Iron-Boron (NdFeB) magnets to form the rotor assembly. As a leading permanent magnet fan supplier, Zhejiang Laysun Magnetics focuses on grade optimizations such as N45SH, N38UH, and N35EH. These specialized grades exhibit exceptional thermal profiles. Industrial fans mounted in factory ceilings, agricultural stables, or heavy processing plants are subjected to intense temperatures and mechanical stresses. The magnet must not experience irreversible demagnetization under full load.
Through advanced grain boundary diffusion (GBD) technology, we reduce overall Dysprosium consumption while dramatically reinforcing the coercive forces at the magnet's boundaries. This ensures optimal magnetic flux density without astronomical material cost hikes.
Industrial ventilation environments are rarely pristine. High levels of humidity, dust, and corrosive chemicals are common in poultry ventilation, marine engine bays, and chemical processing facilities. Raw NdFeB is highly susceptible to oxidation. Consequently, we utilize a robust multi-layered plating regime:
| Coating Type | Salt Spray Test Rating | Optimal Operating Temp | Primary Application Area |
|---|---|---|---|
| Ni-Cu-Ni (Triple Layer) | 48 - 72 Hours | < 240°C | General HVAC, Office Ventilation, Cleanrooms |
| Epoxy Coating (Black/Grey) | 96 - 240 Hours | < 150°C | High Moisture, Wastewater Treatment, Marine |
| Zinc Coating (Trivalent) | 24 - 48 Hours | < 200°C | Standard Industrial Blowers, Cost-Sensitive Motors |
| Rubber Coated / Encapsulated | Over 500 Hours | < 80°C | Highly Corrosive Acidic/Alkaline Damp Environments |
Operating a 100,000 m² factory in Sichuan enables Zhejiang Laysun Magnetics Ltd. to access local raw rare-earth materials, insulating our global clients from severe price swings. Vertical integration is crucial. By managing raw oxide processing, vacuum induction melting, jet milling, magnetic field alignment pressing, and sintering under one roof, we eliminate intermediate supply chain markups.
With an annual capacity exceeding 5,000 tons, we offer stable pricing structures and flexible production capacity for global OEM motor builders. We ensure that our clients in Europe, North America, and Southeast Asia receive consistent supplies even during global shipping disruptions.
Engineered configurations suited for diverse electric drivetrain, generator, sensor, and fan motor topologies.
From micro-drones to mega-watt wind turbines and data centers, Laysun NdFeB material powers the future of green mechanics.
As global decarbonization policies accelerate, industrial operators face increasing pressure to optimize HVAC energy usage. In data centers, cooling fans run continuously to maintain CPU and server stability. Standard induction motors consume vast quantities of energy and generate significant waste heat. Direct-drive permanent magnet fans utilizing Laysun high-grade sintered NdFeB provide an elegant alternative, lowering energy consumption, generating less operating heat, and delivering quiet performance.
Similarly, in agricultural operations—specifically commercial poultry and greenhouse cultivation—corrosive ammonia levels and moisture require hermetically sealed, highly efficient ventilation. High-performance permanent magnet fans enable precision variable-speed airflow control, adjusting instantly to sensor feedback while running reliably over long periods.
Fully compliant operations meeting international quality, environmental, and mechanical engineering standards.
Zhejiang Laysun Magnetics Ltd. operates under strict international compliance protocols. Our manufacturing and testing labs are certified to API 6D, API 607, CE, ISO9001, ISO14001, ISO18001, and TS (IATF16949) standards.
We execute rigorous quality control steps, including computerized magnetic flux testing, optical sorting for structural dimensions, autoclave stress tests, and salt spray exposure analysis. If you require copies of our official certification documents for compliance audits, please contact our team.
Headquartered in Hangzhou, China, Eneroc is building worldwide subsidiaries and offices to serve our customers globally. This localization guarantees direct access to regional technical support, swift response times, and simplified customs clearance processes.
Our engineering support services are built to assist your team through every phase of development: from simulation design using specialized electromagnetic software to rapid prototyping and mass production.
Understand cost drivers and custom design factors to optimize your procurement budget.
Pricing for permanent magnet fan components is highly dependent on international rare-earth index prices, specifically the Praseodymium-Neodymium (PrNd) raw oxide market value. Because Zhejiang Laysun Magnetics Ltd. operates direct sintering facilities close to base processing sectors, we stabilize pricing via advanced purchasing agreements.
| Component Type | NdFeB Sintered Grade | Dimensions (mm) | Estimated Bulk FOB Price Range (USD) | Key Cost Driver |
|---|---|---|---|---|
| HVLS Fan Arc Magnet Segment | N38SH / N42SH | R=300, W=45, T=8 | $1.85 – $3.50 / Piece | Grain Alignment Tooling & Dy/Tb Diffusion Depths |
| Commercial Axial Fan Rotor Cylinder | N45H / N48H | OD=150, ID=142, H=50 | $12.50 – $22.00 / Piece | Thin-wall precision machining & concentricity control |
| HVAC Blower NdFeB Block | N52 (Nickel Coated) | 50 x 25 x 10 | $2.10 – $4.00 / Piece | Raw material mass & Grade purity level |
| Custom Ring Motor Magnet | N35EH / N38UH | OD=80, ID=72, H=15 | $4.50 – $8.20 / Piece | Enhanced thermal performance properties (Coercivity) |
Disclaimer: The prices above serve as an industry reference based on mid-market raw material prices. Exact quotes require detailed architectural CAD files, target operating temperatures, corrosion plating requirements, and total volume parameters.
Key engineering and logistics questions answered by our technical staff.
Premium-grade NdFeB shapes, block assemblies, and custom generator motor segments.
For inquiries about our products or custom pricelists, please leave your email. Our engineering team will get back to you within 24 hours.
Laysun Magnetics
