Engineered Rare Earth Permanent Magnets & Assemblies Designed for Separation Machinery
Pioneering High-Precision Magnetic Engineering Since 1999
Zhejiang Laysun Magnetics Ltd. is a national high-tech leader specializing in the development, research, production, and sales of high-performance rare earth NdFeB magnets. Over the past two decades, our factory has served as a foundational manufacturing hub for permanent magnetic systems. Our products act as the internal drivers for electric vehicles, high-gradient industrial magnetic separators, aerospace actuators, and consumer electronics.
By leveraging a vast 100,000 m² factory facility and a dedicated team of over 300 experienced professionals, we secure an annual output of 5,000 tons of high-grade rare earth magnetic materials. This significant output, paired with rigorous quality management system protocols, positions Laysun Magnetics as a key supplier for complex industrial sorting, recycling, and filtration systems globally.
A transparent window into our engineering practices and ISO-compliant operations
An Engineering Whitepaper on Magnetic Circuits, Demagnetization Mitigation, and Global Application Matrix
The industrial landscape has shifted rapidly from energy-intensive electromagnetic systems toward permanent magnetic separation systems. This change is driven by the demand for energy-efficient solutions and the outstanding properties of modern rare-earth neodymium alloys. Neodymium Iron Boron (NdFeB) material provides magnetic energy products (BHmax) up to 52 MGOe, creating intense magnetic fields capable of capturing micron-level magnetic debris from fast-flowing product streams.
Traditional setups struggled with high-temperature demagnetization and physical wear from abrasive materials. Advanced permanent magnetic separators from Zhejiang Laysun Magnetics Ltd. resolve these issues through custom alloy composition and protective surface modifications. Modern systems operate reliably at temperatures up to 230°C while maintaining stable magnetic circuits for over a decade of continuous operation.
Permanent magnetic separation is critical across various processing sectors, acting as a safeguard for downstream equipment and ensuring final product purity. The system separates tramp iron in heavy processing plants and extracts tiny ferromagnetic particles during fine powder synthesis:
Purchasing managers and plant engineers prioritize three factors when sourcing industrial magnetic equipment: field intensity sustainability, mechanical reliability, and mechanical configuration compatibility. High mechanical wear and corrosive washdown processes in mineral processing and chemical synthesis quickly degrade standard magnet assemblies. To meet these challenges, Laysun Magnetics utilizes Finite Element Analysis (FEA) to model magnetic flux lines, ensuring maximum field density reaches the product stream.
Our permanent magnetic grids, drums, and plates are enclosed in laser-welded SUS304 or SUS316L stainless steel, protecting them against acid corrosion and physical erosion. Additionally, our specialized coatings (such as multi-layer Nickel-Copper-Nickel and heavy-duty protective rubber) shield the internal rare-earth blocks, ensuring reliable performance in harsh environments.
Comprehensive Rare Earth Magnets Supporting Separation Systems & Heavy Duty Rotors
Developing Greener, More Coercive Rare-Earth Matrices
Our R&D roadmap focuses on decreasing dependence on heavy rare earth elements (Dy - Dysprosium, Tb - Terbium) while maintaining high thermal stability. By employing Grain Boundary Diffusion (GBD) technology, we inject Dysprosium directly into the grain boundary structure of NdFeB crystals. This approach increases coercivity and resistance to demagnetization without lowering the magnet's remanence (Br).
Furthermore, we are developing automated separation grids integrated with smart hall sensors. These advanced systems monitor accumulation levels of captured metallic debris in real time, alerting operators to initiate cleaning cycles and ensuring continuous operational efficiency.
Fast processing and worldwide shipping networks
With headquarters in Hangzhou and a large manufacturing base in Sichuan, Zhejiang Laysun Magnetics Ltd. provides comprehensive logistics networks. We offer door-to-door delivery through air freight, ocean cargo, and multimodal transportation systems.
For custom magnet dimensions, specialized coating requirements, or direct bulk pricing, please submit your specifications. Our engineering team will review your project requirements and provide a detailed quotation within 24 hours.
Available Certifications: API 6D, API 607, CE, ISO9001, ISO14001, ISO18001, and TS/IATF16949. Contact our sales department to receive official copies for your quality audits.
In-Depth Technical Insights on Magnetic Separation Performance & Sourcing
High-Strength Permanent Magnet Systems Engineered for Industrial Separation Applications
Laysun Magnetics
