Neodymium Wedge Magnet Manufacturer in China Since 1998

Product Categories

Wedge Magnet N52

Arc Magnet N42

Segment Magnet N38EH

Arc Magnet N50

Zinc Plating Arc Magnet

Zinc Plating Wedge Magnet

Ni-Cu-Ni Arc Magnet

Arc Assembly

Wedge Assembly

Serving Your Industry and Market

Neodymium arc or wedge magnets are often used in a variety of motors due to their high magnetic strength and durability.

  • Servo Motors
  • Brushless DC Motors
  • Magnetic Bearing Motors
  • Automotive Motors
  • Wind Turbine Generators
  • Hard Disk Drives

Magnetic Properties

NdFeB Magnet Grade Chart

Material Type Residual Flux Density (Br) Max.Energy Product (BH)max
11.7-12.1 KGs
33-35 MGOe
12.2-12.6 KGs
36-38 MGOe
12.6-12.9 KGs
38-40 MGOe
13.0-13.2 KGs
40-42 MGOe
13.3-13.7 KGs
43-45 MGOe
13.8-14.2 KGs
45-48 MGOe
14.1-14.5 KGs
48-50 MGOe
14.5-14.8 KGs
49.5-52 MGOe

NdFeB Magnet Temperature Chart

Neodymium Material Grade Suffix Maximum Operating Temperature Curie Temperature
No Suffix
176°F (80°C)
590°F (310°C)
212°F (100°C)
644°F (340°C)
248°F (120°C)
644°F (340°C)
302°F (150°C)
644°F (340°C)
356°F (180°C)
662°F (350°C)
392°F (200°C)
662°F (350°C)
428°F (220°C)
662°F (350°C)

Plating Characteristics Table

Plating Type Overall Thickness Salt Spray Test Pressure Cooker Test Color Feature
15-21 μm
24 hours
48 hours
Shiny Silver
A triple plating of nickel-copper-nickel, the most common choice for plating neodymium magnets.
Ni-Cu+Black Nickel
15-21 μm
24 hours
48 hours
Shiny Gunmetal
A black dye is added, triple plating of nickel-copper-black nickel.
20-28 μm
48 hours
72 hours
A plastic coating that is more corrosion resistant as long as the coating is intact. Easily scratched.
16-23 μm
36 hours
72 hours
Gold plating is applied over the top of standard nickel plating.
7-15 μm
12 hours
24 hours
Dull Gray/Bluish
Zinc is more susceptible to corrosion than nickel.
What You Can Expect from JiaDa Magnet

Why Choose Us?

Custom Any Quantity

By in-house manufacturing, we  custom magnets & magnetic assemblies in any quantity.

Top-class Quality

Extensive quality checks to ensure each magnet is delivered to specifications on time.

Cost-effective Price

High-yield process controls and efficient equipment make us a cost-effective.

On-time Delivery

A capacity of 200 tons of magnets per month to guarantee on-time and quality delivery.

About Us

Manufacturing neodymium magnets in any shape, size, grade, and magnetization directions has been our expertise since 1998.

We tailor magnetic components to your exact needs, matching perfect fit and function.

Extensive Quality Checks of Magnets

What sets us apart from our competitors is that every magnet is manufactured and inspected in-house which means our production schedule is 24/7 traceable.

Traceable Quality

Each stage of production occurs in-house, ensuring full traceability of our quality.

45 QC & Quality Assurance System

We employ a quality assurance system with 45 inspectors, guaranteeing that every magnet delivered meets our high standards.

Problem-solving Service

Accepting that issues may arise, we promise fast, focused resolutions, reinforcing our unwavering commitment to quality.

Certified Quality

JiaDa Magnet, ISO certified and RoHS/REACH compliant, guarantees customers superior quality and environmentally responsible magnet solutions.

Standards-Up, Standout Manufacturing

Magnet Manufacturer in China

High-yield process controls and advanced equipment make us a cost-effective supplier – maximized resources and steadfast quality.

25+ Years





Square Meters


Monthly Capacity


Sintering is essential for NdFeB magnets to achieve full magnetic properties. However, not all manufacturers have in-house sintering capabilities, setting us apart in ensuring the quality and optimal performance of our magnets.


With 800+ precise slicing machines and highly efficient multi-wire cutting equipment minimizing kerf losses, we demonstrate an operational efficiency that vastly outpaces the standard.


Possessing our own plating factory, a vital yet environmentally sensitive process where many factories falter, we ensure superior quality control and timely delivery—significantly enhancing our commitment to our customers.

Packaging & Shipping

Recognizing magnets’ weight and classified risk, we prioritize secure, magnetically shielded packaging to safeguard every shipment.

Our Warehouse, Your Backyard

Available stock allows for rapid prototyping, helping you move your projects forward faster and ensuring your products hit the market as quickly as possible.

Trusted by Thousands of Companies

No. 1 reason you should buy from us is because they choose us too. They are-

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