Custom Permanent Magnets Are Magnets Companies & Quotes

Engineering Next-Gen Rare Earth Magnetic Solutions & High-Precision Custom Manufacturing for Global B2B Enterprises

Global Enterprise Procurement: Custom Permanent Magnets

The global demand for high-grade permanent magnets has experienced exponential growth, transitioning from standard commercial grades to custom-engineered magnetic solutions. In today’s manufacturing landscape, permanent magnets are not merely commodities; they are high-performance critical elements that define the system efficiency, torque density, and operational lifespan of industrial machinery, electric drivetrains, and automation equipment.

B2B procurement teams must assess magnet companies beyond superficial pricing metrics. Realizing long-term profitability and supply security requires deep evaluation of raw material access (specifically Heavy Rare Earth Elements like Dysprosium and Terbium), thermal stability engineering, coercivity levels, corrosion coatings, and geometric tolerances. Working directly with custom permanent magnet manufacturers guarantees raw material traceability, optimized magnetic performance, and precise mechanical alignment.

Our global clients rely on specialized permanent magnet designs to resolve design bottlenecks in space-constrained applications. By utilizing sintered Neodymium Iron Boron (NdFeB) with customizable shapes—including segmented arcs, multi-pole rings, and high-aspect-ratio blocks—engineers can design smaller, lighter, and more reliable electromagnetic systems.

Zhejiang Laysun Magnetics Factory Production Line

About Zhejiang Laysun Magnetics Ltd.

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.

25+
Years Industry Experience
100,000
m² Factory Area
300+
Expert Employees
5,000
Tons Annual Output

Our Journey

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 5000 tons of rare earth magnets annually.

Our Products

Specializing in the development, research, production, and sales of high-performance rare earth NdFeB magnets, we cater to a diverse range of applications. Our magnets are integral to various sectors, including electric vehicles, industrial motors, computers, and consumer electronics, enhancing the efficiency and performance of these technologies.

Core Values

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.

Factory Operations Gallery

A preview of Zhejiang Laysun Magnetics Ltd. production floor and logistics warehousing capabilities.

Laysun Magnetics Manufacturing Process Laysun Magnetics Warehousing Facility

Macro Industry Solutions & Applications

Our custom permanent magnets are integrated into the world's most advanced electromechanical and electronic systems, designed for performance, sustainability, and reliability.

Robotics magnets applications

Robot & Industrial Automation

High-precision frameless motors and robotic joint actuators require extremely compact, high-torque density custom permanent magnets. Our solutions utilize micro-tolerances and specific magnetic pole configurations for smooth robotic motion control.

Drone magnets applications

Drones & Aerospace Propulsions

Weight reduction is critical in UAVs and aviation electronics. Sintered NdFeB magnets provide the highest magnetic force per unit weight, enabling longer flight times, thermal resistance at high RPMs, and stable generator performance.

EV Electric Vehicles motor magnets

Electric Vehicles (EVs) & Drive Motors

From primary drive traction motors to Electric Power Steering (EPS) and braking systems, EV magnets require absolute thermal stability. Our custom high-coercivity (UH, EH, AH) magnet series prevent demagnetization at temperatures up to 220°C.

Power tools motor magnets

High-Torque Power Tools

Brushless DC (BLDC) motors in power tools rely on segmented block and arc magnets to maintain torque under variable load conditions. Custom shapes optimize slot fills, minimizing overall tool weight and battery strain.

Consumer Electronics magsafe magnets

Consumer Electronics & Mobile Accessories

Miniature NdFeB rings, plates, and ultra-thin custom structures power modern smartphones, MagSafe chargers, smartwatches, and linear resonance actuators, ensuring reliable force vectors in tight physical volumes.

Home Appliances compressor magnets

Smart Home Appliances

Energy-efficient compressors in HVAC systems, washing machine direct-drive motors, and high-frequency cooling pumps require corrosion-resistant, cost-optimized NdFeB and Ferrite magnetic components.

Technical Roadmap & Advanced Magnetics Engineering

Delivering top-tier permanent magnets demands continuous engineering development. Zhejiang Laysun Magnetics integrates cutting-edge technologies to maintain competitive, reliable products.

Grain Boundary Diffusion (GBD) Technology

To reduce dependence on heavy rare earths (Dysprosium, Terbium) while achieving optimal thermal stability, we utilize Grain Boundary Diffusion. By concentrating Dy/Tb only along the grain boundaries of the sintered matrix, we increase coercivity with minimal reduction in remanence (Br), ensuring highly efficient and temperature-stable magnets for industrial drivetrains.

Corrosion Protection & Coating Systems

Sintered NdFeB is naturally susceptible to oxidation. We design and apply custom coatings in-house, including triple-layer Nickel-Copper-Nickel (NiCuNi), chemical vapor deposited Parylene, and thermal-cured Epoxy. These coatings provide up to 1,000 hours of salt spray resistance, making them ideal for high-humidity, marine, and automotive environments.

Precision Sizing & Geometry Tolerances

Using advanced ID saws, wire EDMs, and double-disc grinding machines, Laysun maintains dimensional tolerances down to +/-0.01mm. This geometric precision ensures smooth integration into high-speed electric motor rotors and precision sensors.

Product Classification & Engineering Specialties

Choose from our specialized rare earth magnet product classifications. Each component is engineered to customer specifications and manufactured in our 100,000 m² factory.

Neodymium magnets for voice coil motors

Neodymium Magnets for Voice Coil Motors

Designed for acoustic equipment, optical actuators, and hard disk drives requiring linear stroke control and extremely stable magnetic field profiles.

Super Strong Custom Ring Neodymium Magnet

Super Strong Custom Ring Neodymium Magnet

Featuring radial, axial, or diametrical orientation options. Ideal for high-efficiency rotary encoders and electric motors.

Permanent NdFeB Magnet Block Neodymium Magnet with Nickle

Permanent NdFeB Block Magnets (Ni Plated)

Heavy-duty blocks engineered for extreme mechanical hold, lifting arrays, magnetic separators, and high-load industrial fixtures.

Strong Magnet Neodymium Magnetic Materials

Strong Neodymium Magnetic Raw Materials

Sintered blank blocks, cylinders, and discs, enabling rapid prototyping and fast turnaround times for custom machining projects.

Permanent Ring Strong Neodymium Magsafe Magnet

Permanent Ring Strong Neodymium MagSafe Magnets

Precision-molded ultra-thin rings and segmented assemblies for wireless charging devices and protective phone housings.

Sintered Neodymium NdFeB Block Magnet for EV Motor

Sintered NdFeB Block Magnets for EV Motors

Designed for high thermal and mechanical stress, these magnets feature low weight loss properties and high coercivity (H, SH, UH, EH).

Neodymium Disc Magnets

Rare Earth Neodymium Disc Magnets

Standard and custom-thick circular permanent magnets, optimized for high holding forces, packaging, and sensor assemblies.

High Quality Permanent Cylinder Neodymium Magnet

High Quality Permanent Cylinder Neodymium Magnets

Engineered for high aspect ratios, axial magnetization, and precise sensor triggers, providing consistent field outputs.

Neodymium magnets for automotive EPS

Neodymium Magnets for Automotive EPS

Safety-critical, zero-defect production designs for Electric Power Steering systems, conforming to automotive IATF standards.

Neodymium Block Magnet

Neodymium Block Magnets

Versatile rectangular magnetic systems designed for heavy fabrication, material separation, and industrial magnetic clamping.

NdFeB Arc Segment Strong Motor Magnets

NdFeB Arc Segments for Generators & Wind Rotors

Curved tile profiles engineered for wind turbines, hydro-generators, and high-output industrial brushless motors.

Magnet Circle For Magnetic Ring For Phone

Magnetic Ring Assemblies for Telecommunications

Optimized magnetic force distribution for mobile electronics integration, mounting mechanisms, and smart accessories.

Our Global Footprint

Headquartered in Hangzhou, China, Eneroc is building our worldwide subsidiaries and offices to serve our customers. This global presence enables us to deliver local engineering support, direct logistics channels, and quick custom quote turnaround times across North America, Europe, and the Asia-Pacific region.

Our strategically placed offices handle import/export compliance, local warehouse distribution, and onsite engineering reviews, ensuring smooth communication and efficient order processing for our global clients.

Zhejiang Laysun Magnetics Global Operations Map

Our Certificates & Global Compliance Systems

Zhejiang Laysun Magnetics operates under rigorous international quality management protocols. Our production lines conform to global industrial standards: API 6D, API 607, CE, ISO9001, ISO14001, ISO18001, and TS/IATF16949.

Zhejiang Laysun Magnetics ISO9001 CE Certificate

ISO 9001 Quality Standard

Zhejiang Laysun Magnetics TS Certificate

IATF 16949 Automotive Standard

Zhejiang Laysun Magnetics ISO14001 ISO18001 Certificate

ISO 14001 & ISO 18001 Certificate

Technical FAQ - Custom Permanent Magnets

Get quick answers to common engineering, procurement, and quality assurance questions about custom permanent magnets and our manufacturing services.

What information is required to get an accurate custom magnet quote?
To provide a precise quote, we need the following details:
  • Material Grade: Sintered NdFeB, SmCo, or Ferrite (e.g., N35, N52, 38H, 42SH, etc.).
  • Dimensions & Tolerances: Technical drawings showing exact length, width, height, radius, and allowable deviation.
  • Direction of Magnetization: Axial, radial, thickness, or multi-pole distribution.
  • Coating Options: Ni-Cu-Ni, Black/Grey Epoxy, Gold, Zinc, Parylene, or passivated surfaces.
  • Temperature Environment: Peak operating temperatures to prevent demagnetization.
  • Quantity: Prototype, pre-series, or annual volume requirements.
How does Zhejiang Laysun Magnetics ensure quality control?
We employ a multi-layered quality assurance program certified under ISO 9001 and IATF 16949. Quality is verified at every stage:
  • ICP Analysis: Verifies raw material composition before melting and strip casting.
  • Hysteresisgraph Testing: Measures magnetic properties like Br, Hcb, Hcj, and BH(max).
  • Optical Sorting & Laser Micrometer: Automated dimensional inspection to verify tolerances.
  • Salt Spray & PCT Chamber: Tests coating durability and environmental corrosion resistance.
  • Flux & Helmholtz Coil Testing: Verifies the magnetic flux consistency of every batch.
What temperature limit should I choose for my Neodymium permanent magnets?
Sintered Neodymium (NdFeB) magnets are sensitive to temperature. The grade suffix indicates the maximum operating limit:
  • Standard Grades (No suffix): Safe up to 80°C (176°F).
  • M Grades: Safe up to 100°C (212°F).
  • H Grades: Safe up to 120°C (248°F).
  • SH Grades: Safe up to 150°C (302°F).
  • UH Grades: Safe up to 180°C (356°F).
  • EH Grades: Safe up to 200°C (392°F).
  • AH Grades: Safe up to 220°C (428°F).
Operating above these thresholds will result in permanent magnetic loss. For higher temperatures, Samarium Cobalt (SmCo) magnets are recommended.
What are the advantages of Grain Boundary Diffusion (GBD) technology?
Grain Boundary Diffusion (GBD) concentrates heavy rare earths (Dysprosium or Terbium) at the boundaries of the magnet grain, rather than distributing them throughout the entire grain structure. This technology increases the magnet’s resistance to demagnetization (coercivity) without significantly reducing its magnetic strength (remanence). It also reduces dependency on heavy rare earths, lowering production costs.

Request a Precision Technical Quote

Connect with our engineering and procurement team for custom permanent magnet solutions.浙江 Laysun Magnetics Ltd. provides comprehensive technical support, sample testing, and volume manufacturing quotes within 24 hours.

Conforms to API 6D, API 607, CE, ISO9001, ISO14001, ISO18001, and TS/IATF16949 standards.