Advanced Magnetic Engineering Since 1999

Wholesale Super Strong Neodymium Magnet Supplier & Quotes

Precision-Engineered Rare Earth Permanent NdFeB Magnets for High-Performance Industrial Motors, Electric Vehicles, and Advanced Electronics Systems

Zhejiang Laysun Magnetics Ltd.

A National High-Tech Leader in Rare Earth Magnets

Founded at the turn of the millennium in 1999, Zhejiang Laysun Magnetics Ltd. has evolved from a visionary magnetic materials start-up into a globally recognized benchmark manufacturer of high-performance NdFeB magnets. Over the last two decades, we have committed ourselves to research, development, and scaling output to support modern clean energy, automotive, and digital hardware infrastructures.

Our state-of-the-art facility, sprawling across 100,000 square meters in Sichuan, functions as the central core of our raw materials synthesis, pressing, sintering, and post-machining. Backed by a dedicated technical workforce of 300+ specialists, we guarantee a stable annual output capacity of 5,000 tons, helping clients mitigate global supply chain fluctuations.

25+
Years Industry Experience
100k+
Factory Area (m²)
5,000
Annual Tons Output
300+
Technical Experts
Production Process
Quality Inspection

Why Global Tier-1 Brands Choose Laysun Magnetics

We deliver premium magnetic solutions that balance cost-efficiency, consistent high magnetic flux, and robust supply chain resilience.

Industry Leadership

Our long-standing presence since 1999 guarantees unmatched expertise in rare earth element management, magnetic formulation stability, and metallurgical customization.

High-Tech Metallurgy

Leveraging advanced sintering processes and grain boundary diffusion (GBD) technology, we produce ultra-high grade NdFeB magnets with superior thermal tolerance.

Large-Scale Supply

With an annual capacity of 5,000 metric tons and a 100,000 sqm industrial park, we seamlessly accommodate large-scale OEM orders and industrial contract runs.

Deep Application Diversity

Our permanent magnets are optimized across diverse mechanical environments including high-rpm electric vehicle motors, high-frequency actuators, and harsh outdoor sensors.

Rigorous Quality Compliance

Operational frameworks strictly certified to ISO 9001, ISO 14001, ISO 18001, and IATF 16949 standards, guaranteeing batch-to-batch consistency and traceablity.

Skilled Technical Workforce

Our 300+ employees include dedicated material scientists, mechanical engineers, and quality inspectors committed to client-specific application requirements.

Strategic Whitepaper Analysis

Global Neodymium Magnet Industry Trends

Understanding the technical and economic shifts shaping the procurement landscape of rare earth materials.

Industrial Manufacturing Center

Key Trend: Grain Boundary Diffusion (GBD)

GBD technology allows manufacturers to substitute heavy rare earths (Dysprosium, Terbium) at the grain boundaries instead of alloying. This significantly reduces manufacturing costs while sustaining high thermal coercivity values.

Accelerating Demand in Electrification & Automation

The global transition toward high-efficiency energy systems has accelerated demand for NdFeB (Neodymium-Iron-Boron) magnets. In electric vehicles (EVs), NdFeB magnets serve as the critical component within PM synchronous traction motors, delivering the highest power density per unit weight.

Similarly, modern industrial automation relies heavily on low-inertia servo motors and precision robotic actuators. Without the high flux density of Super Strong Neodymium Magnets, compact high-torque industrial components would not be physically viable.

  • E-Mobility Integration: Demand for high-coercivity grades (such as UH, EH, AH) capable of sustained operation up to 220°C.
  • Robotics & UAVs: Extreme power-to-weight ratio expectations drive the usage of custom micro-magnetic components.
  • Eco-Sustainability: Emphasis on recycled magnet pathways and green energy closed-loop sourcing.

Technical Specifications & Material Grades Matrix

Select the appropriate magnetic grades based on thermal tolerance and maximum energy output requirements.

Class Grade Category Remanence (Br) / kGs Coercivity (Hcb) / kOe Intrinsic Coercivity (Hcj) / kOe Max Energy Product (BHmax) / MGOe Max Operating Temp / °C
N35 - N52 (Standard) 11.7 - 14.8 ≥ 10.5 - 11.2 ≥ 12.0 33 - 53 80
N35M - N50M (Medium Temp) 11.7 - 14.3 ≥ 10.4 - 11.1 ≥ 14.0 33 - 51 100
N35H - N48H (High Temp) 11.7 - 13.9 ≥ 10.2 - 11.0 ≥ 17.0 33 - 49 120
N35SH - N45SH (Super High) 11.7 - 13.5 ≥ 10.1 - 10.7 ≥ 20.0 33 - 46 150
N28UH - N40UH (Ultra High) 10.4 - 12.8 ≥ 9.4 - 10.4 ≥ 25.0 26 - 41 180
N28EH - N38EH (Extra High) 10.4 - 12.5 ≥ 9.4 - 10.1 ≥ 30.0 26 - 39 200
N28AH - N35AH (Extreme High) 10.4 - 11.9 ≥ 9.0 - 9.8 ≥ 33.0 26 - 36 220

Design Note: Higher operating temperatures dictate the use of higher intrinsic coercivity (Hcj) classes (e.g., EH or AH) to resist irreversible demagnetization under heavy thermal and reverse magnetic fields.

Targeted Macro-Industry Solutions

Discover how our NdFeB magnets optimize efficiency, precision, and longevity across key sectors.

Robotics Application

Advanced Robotics

Compact, high-torque permanent magnets engineered for precision joint servos and collaborative industrial robotic arms.

Drone Application

Unmanned Aerial Vehicles

Lightweight high-flux magnets designed for BLDC drone propulsion motors, maximizing payload limits and battery efficiency.

Electric Vehicles Application

Electric Vehicles (EVs)

Thermally optimized sintered NdFeB blocks for heavy traction motors and automotive Electronic Power Steering (EPS).

Power Tool Application

Industrial Power Tools

High mechanical impact resistant magnet segments for professional-grade cordless drills, grinders, and impact drivers.

Consumer Electronics

Consumer Electronics

Micro-thin magnetic rings and custom segments for mobile device MagSafe systems, voice coil motors (VCMs), and haptic drivers.

Home Applications

Home Appliances

High-efficiency rotor magnets for variable-frequency air conditioning compressor motors and smart home filtration pumps.

Technological Commitment & Innovation

Innovation is the driving mechanism of Laysun Magnetics. Our R&D team focuses on reducing material dependence on volatile heavy rare earth elements without compromising high-temperature coercivity.

Sintered NdFeB Core Values

Quality, Credibility, Technology, and Innovation shape every step of our manufacturing pipeline, from metallurgical formulation to final coating processes.

Supply Chain Security

We maintain direct sourcing contracts with primary rare earth mining firms to guarantee supply chain stability and mitigate volatile price swings.

Environmental Stewardship

Our facilities incorporate wastewater treatment systems and energy recovery loops, aligning our operations with ESG metrics.

Advanced Magnetic Structural Diagram
International Quality Framework

Global Certifications & Quality Assurances

Our factory adheres to strict industry quality benchmarks. We hold API 6D, API 607, CE, ISO9001, ISO14001, ISO18001, and IATF 16949 system certifications. This guarantees that all magnets supplied to automotive and industrial OEMs meet safety standards.

ISO 9001:2015
IATF 16949 (Automotive)
ISO 14001:2015 (Environment)
CE Compliant
RoHS & REACH Compliant
Certification 1 Certification 2 Certification 3
Laysun Magnetics Global Supply Base
Global Footprint

Headquarters and Localized Customer Support

Headquartered in Hangzhou, China, Laysun Magnetics is building worldwide subsidiaries and offices to serve our customers globally. Our manufacturing center in Sichuan supplies high-purity rare earth magnet products to the Americas, Europe, and Asia-Pacific.

By integrating regional distribution nodes and dedicated sales offices, we provide engineering consultations, customs clearance support, and safety stock storage options for our industrial partners.

Knowledge Base

Frequently Asked Technical Questions (FAQ)

Access technical advice from our engineering team regarding NdFeB material selection, handling, and sourcing.

What factors determine the maximum operating temperature of a Neodymium magnet?
The operating temperature is primarily determined by the magnet's intrinsic coercivity (Hcj). Adding heavy rare earth metals such as Dysprosium (Dy) or Terbium (Tb) stabilizes the internal crystal lattice structure, allowing operating thresholds to shift from 80°C (standard N grades) up to 220°C (AH grades).
What are the key differences between Sintered and Bonded NdFeB magnets?
Sintered NdFeB magnets are manufactured by vacuum heating powdered components under pressure to yield high magnetic density (high BHmax, typically 35-53 MGOe). Bonded magnets mix magnetic powder with thermoset polymers, enabling high-dimensional precision and multi-pole magnetization, though they feature lower magnetic values (typically 5-15 MGOe).
How does Laysun Magnetics control corrosion in NdFeB magnets?
Raw NdFeB is prone to oxidation. We counter this by applying multi-layer protective coatings such as Nickel-Copper-Nickel (Ni-Cu-Ni), Epoxy Resin, Passivation, Zinc, or special Rubber coatings. These barriers block moisture, salts, and chemical exposure to prevent degradation.
What is the standard lead time for wholesale custom-made neodymium magnets?
For standardized shapes (blocks, discs, rings), lead times generally range between 15-20 days. Fully customized designs requiring custom molds, special tooling, and advanced coatings typically take 25-35 days, including complete quality control documentation.
Do your magnetic products comply with REACH and RoHS standards?
Yes, all raw materials, protective coatings, and magnetic components comply with EU REACH regulations and RoHS directives. Compliance documentation and certifications can be supplied alongside each order shipment.
What are the safety requirements for shipping super-strong magnets?
For air freight, magnetic flux leakage must be contained under 0.00525 gauss at a distance of 15 feet to prevent interference with aircraft navigation instruments. We utilize specialized iron-shielding packaging systems to safely meet international transportation rules.
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