Square Neodymium Magnets Manufacturer & Custom Supplier from China

Fuzheng Technology is a leading manufacturer specializing in the production of high-performance square neodymium magnets. We provide wholesale services, customized products, and comprehensive customer relationship management services. Our products are widely used in industrial fields, medical products, scientific research institutions, educational institutions, and consumer products. 

Our Square Neodymium Magnet Samples

We offer a wide range of square neodymium magnets in various sizes, thicknesses, grades (N35 to N52), and coatings. Request a free sample to test magnetic strength and suitability before placing bulk orders.

https://www.fullzenmagnets.com/neodymium-countersunk-magnets-fullzen-technology-product/

Countersunk Square Magnets (With Holes)

neodymium magnets block n50

Neodymium Magnets Square

neodymium magnet cube 10mm

China Square Block Neodymium Magnets Wholesale

Neodymium Magnets Square

China N52 Square Neodymium Magnets

Request a Free Sample – Test Our Quality Before Bulk Order

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Custom Square Neodymium Magnets – Process Guide

Our production process is as follows: After the customer provides drawings or specific requirements, our engineering team will review and confirm them. After confirmation, we will make samples to ensure that all products meet the standards. After the sample is confirmed, we will carry out mass production, and then pack and ship to ensure efficient delivery and quality assurance.

Our MOQ is 100pcs,We can meet customers' small batch production and large batch production. The normal proofing time is 7-15 days. If there is magnet stock, the proofing can be completed. within 3-5 days. The normal production time of bulk orders is 15-20 days. If there is magnet inventory and forecast orders, the delivery time can be advanced to about 7-15 days.

https://www.fullzenmagnets.com/u-shaped-neodymium-magnets-custom/

What Are Square Neodymium Magnets?

Definition

Square neodymium magnets (also called rectangular neodymium magnets) are a type of neodymium-iron-boron (NdFeB) permanent magnet defined by their square or rectangular prism shape—a geometric design that combines the exceptional magnetic performance of NdFeB alloys with structural versatility for industrial and commercial applications. square neodymium magnets are the go-to choice for applications demanding maximum magnetic power in a structured.

Shape types

Square neodymium magnets are defined by their core rectangular/square prism structure, but they feature diverse shape adaptations to meet specific application requirements—from standard geometric designs to custom-engineered configurations.Square neodymium magnets offer unparalleled versatility—adapting to industries ranging from electronics and automotive to renewable energy and manufacturing.

Key Advantages:

Strong and concentrated magnetic force: The surface of the square neodymium magnet ensures even distribution of magnetic force.

Excellent installation adaptability: the shape is regular and suitable for various installation scenarios.

Suitable for various installation scenarios: from micro to industrial scale, it can be produced in large sizes.

Stable and durable structure: After surface galvanizing, nickel plating, or epoxy treatment, it has a long service life.

Outstanding cost-effectiveness: combining strong magnetic force and high cost-effectiveness advantages.

Technical Specifications

  • Pull Force: Varies by size and grade (N35 to N52)

  • Tolerance: Strictly controlled per ISO standards

  • Dimensions: Custom rectangular, square, and disc shapes available,etc.

  • Coating Options (nickel plating, epoxy, zinc plating)

Applications of Square Neodymium Magnets

Industrial Manufacturing: Assembly line fixtures, magnetic separators, motor parts, equipment mounting.

  • Electronics & Tech: Mini devices, sensors, headphones, battery packs .
  • Education & Research: Physics experiments, STEM projects, scientific research.

  • Commercial & Retail: Fridge magnets, promotional products, hobby supplies.

  • Medical Devices: Precision components for diagnostics/equipment (meets strict industry standards).

Why Choose Us as Your Square Neodymium Magnets Manufacturer?

As a Magnet manufacturer factory, we have our own Factory based in China,and we can provide you OEM/ODM services.

Source Manufacturer: Over 10 years of experience in magnet production, ensuring direct pricing and consistent supply.

Customization: Supports different shapes, sizes, coatings, and magnetization directions.

Quality Control: 100% testing of magnetic performance and dimensional accuracy before shipment.

Bulk Advantage: Automated production lines enable stable lead times and competitive pricing for large orders.

https://www.fullzenmagnets.com/u-shaped-neodymium-magnets-custom/
https://www.fullzenmagnets.com/u-shaped-neodymium-magnets-custom/

IATF16949

https://www.fullzenmagnets.com/u-shaped-neodymium-magnets-custom/

IECQ

https://www.fullzenmagnets.com/u-shaped-neodymium-magnets-custom/

ISO9001

https://www.fullzenmagnets.com/u-shaped-neodymium-magnets-custom/

ISO13485

https://www.fullzenmagnets.com/u-shaped-neodymium-magnets-custom/

ISOIEC27001

https://www.fullzenmagnets.com/u-shaped-neodymium-magnets-custom/

SA8000

Full Solutions From Neodymium Magnet Manufacturer

Fullzen Technology is ready to help you with your project by developing and manufacturing Neodymium Magnet. Our assistance can help you complete your project on time and within budget. We have several solutions to help you succeed.

our team

Supplier Management

Our excellent supplier management and supply chain control management can help our clients to obtain a quick and accurate delivery of quality products.

Production Management

Production Management

Every aspect of production is handled under our supervision for uniform quality.

Strict Quality Management And Testing

Strict Quality Management And Testing

We have a well-trained and professional (Quality Control) quality management team. They are trained to manage the processes of material procurement, finished product inspection, etc.

Custom Service

Custom Service

We do not only provide you with a high-quality magsafe rings but also offer you custom packaging and support.

Document Preparation

Document Preparation

We will prepare the complete documents, such as bill of material, purchase order, production schedule, etc., according to your market requirements.

Approachable MOQ

Approachable MOQ

We can meet most customers' MOQ requirements, and work with you to make your products unique.

Packaging details

photobank (1)
微信图片_20230701172140

Start Your OEM/ODM Journey

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FAQs about Square Neodymium Magnets

What is your MOQ for Square Neodymium Magnets?

 

We offer flexible MOQs, starting from small batches for prototyping to large-volume orders.

What’s the lead time for custom square neodymium magnet orders?

Standard production time is 15-20 days. With stock, delivery can be as fast as 7–15 days.

Can I get a Square Neodymium Magnets sample for testing?

Yes, free samples are available for most standard products. Custom samples may incur a small fee, which is refundable upon bulk order placement.

What surface treatment options do you offer?

We can provide zinc coating, nickel coating, chemical nickel, black zinc and black nickel, epoxy, black epoxy, gold coating etc...

What's the max working temperature?
  • Standard square neodymium magnets (Ndfeb magnets) have a max working temperature of 80°C (176°F); high-temperature grades (H, SH, UH) are available for applications up to 200°C (392°F).
Are they suitable for for high-temperature or humid environments?

Yes, with appropriate coatings (e.g., epoxy or parylene), they can resist corrosion and perform reliably in harsh conditions.

How do you package and ship to avoid magnetic interference?

We use non-magnetic packaging materials and shielding boxes to prevent interference during transit.

Professional Knowledge & Buying Guide for Industrial Buyers

Design Principles & Core Advantages

  • Exceptional Magnetic Strength:
    As Powerful magnet and Strong magnets, square neodymium magnets offer higher pull force per unit volume compared to traditional Permanent magnets, making them ideal for space-constrained applications.
  • Versatile Form Factor:
    The square/rectangular design ensures stable mounting and even force distribution, outperforming irregularly shaped magnets for tasks like clamping, holding, and alignment.
  • Durable Construction:
    Crafted from high-quality Ndfeb magnets with robust surface coatings, our square neodymium magnets resist corrosion, wear, and demagnetization over time.
  • Precision Engineering:
    Tight dimensional tolerances (as low as ±0.05mm) ensure compatibility with precision equipment and custom assemblies, from small electronics to industrial machinery.

Coating Selection & Lifespan in Square Neodymium Magnets

Different coatings offer varying levels of protection:

  • Nickel:
  •  Good overall corrosion resistance, silver appearance.
  • Epoxy: 
  • Effective in humid or chemical environments, available in black or gray.
  • Parylene: 
  • Superior protection for extreme conditions, often used in medical or aerospace applications.

Selecting the correct protective coating is crucial. A nickel plating is common for humid environments, while more resistant coatings like epoxy, gold, or PTFE are essential for acidic/alkaline conditions. Coating integrity without damage is paramount.

Your Pain Points and Our Solutions

● Magnetic strength not meeting requirements → We offer custom grades and designs.

● High cost for bulk orders → Minimum cost production that meets requirements.

● Unstable delivery → Automated production lines ensure consistent and reliable lead times.

Customization Guide – How to Communicate Efficiently with Suppliers

● Dimensional drawing or specification (with Dimensional unit)

● Material grade requirements (e.g. N42 / N52)

● Magnetization direction description (e.g. Axial)

● Surface treatment preference

● Packaging method (bulk, foam, blister, etc.)

● Application scenario (to help us recommend the best structure)

Don't resist the pull of our Flat Neodymium Magnets!

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