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SDM Magnetics is one of The Most

Integrative Magnet Manufacturers in china

Let more people enjoy the intelligent and green life brought by magnetic energy technology.

Future directions, applications of sensors - humanoid robots

OUR PRODUCTS

Provide One-stop Solution for Permanent Magnet

Permanent Magnet Rotor Assemblies

SDM Magnetics supplies custom permanent magnet rotor assemblies for electric motors and generators. Designed for efficient energy conversion, compact motor structures, and reliable operation, our rotor assemblies are available with multiple magnetic material options and can be customized for different motor types, speed ranges, and application requirements.

Permanent Magnetic Rotors for Air Suspension Motor

Compact Design: The high-speed capabilities allow for more compact motor designs, saving space and enabling the integration of additional components in machinery and equipment. This is particularly beneficial in industries where space is limited.

High Hcj Value Neodymium Magnets Halbach Array Magnets Motor Stator And Rotors View More

Manufacturer Permanent Neodymium Magnets For Motors Rotor

Magnets for motor rotors are crucial components that convert electrical energy into mechanical energy. They are typically made of high-performance materials like NdFeB, offering strong magnetic fields and high efficiency. These magnets enable motors to run smoothly and efficiently, driving a wide range of machinery and devices.

Sensor Resolver Of Ac 7v For New Energy Vehicle Part Accessories Magnetic Resolver View More

Anti Eddy Current Magnets Magnetized Ring Permanent Neodymium Round Magnets

Neodymium Magnet, also known as NdFeB magnet, is a type of permanent magnet made primarily of neodymium, iron, and boron. It possesses the strongest magnetic force among all permanent magnets and is widely applied in various fields due to its high efficiency, small size, and light weight.

SDM High Strong Quality N52 N35 Cylinder Permanent Magnets Industrial Rod Neodymium Magnets

NdFeB magnets feature high magnetic strength, excellent corrosion resistance, and compact size, making them ideal for various applications.

Permanent Magnetic Encoder Magnets

SDM Magnetics provides permanent magnetic encoder magnets, encoder rings, and magnetic scales for precision position, speed, and direction feedback. Designed for non-contact measurement in demanding environments, our solutions support incremental and absolute coding for machine tools, elevators, medical equipment, and other industrial motion-control applications.

High-Tech Enterprise Specializes in Neodymium Magnet over 20 years

SDM Magnetics keeps developing our technology on higher performance, more stable quality and more cost-efficient magnet manufacturing. Our excellent engineering and manufacturing experts can support your designs, programs by our technical knowhow in different applications such as industrial, automotive, household appliances, aerospace and so on.

20+

Industry Experience

30+

Engineers

5+

New High-Tech Enterprise

3+

Postdoctoral Work Station

40+

Patents

WHY CHOOSE US

We will satisfy you by our high-quality AlNiCo Magnet

IATF16949， ISO9001

certified company

0 PPM for General Motor’s Tier 2 supplier since 2010

Strategic cooperation with China’s No. 1 rare earth miner CHINALCO, strong and safe supply of rare earth raw materials

High automation

on production

RoHS, REACH and SGS

complied products

State of

art R&D lab

CLASSIC CASES

Ferrite Magnet solutions start with a quality product warranty

Case Studies—Rotors for High-Speed Motors

EV interior electromagnetApplication: Operatingvoltage: AISI 1006steel sheet: Automotive interior electromagnet13.5V~17.5V (16V nominal). Min.130N (20°C); 58N (20°C, 0.5mm air gapbetween top surface of cup and sheet).

Case Studies— EV Interior Electromagnet

Case Studies— Permanent Magnet

Case Studies— Resolver

Case Studies— High Speed Motor Rotor

DIGITAL SHOWROOM

If you want to learn more about our manufacturing capabilities, you can click on the avatar in the scene, or accept my invitation!

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We have an excellent after-sales service team to ensure that we can solve the customer problems anytime they need us.

Provide One-stop Solution for Permanent Magnet.

LATEST NEWS

Not Only a Supplier but also Your Reliable Magnetic Assemblies Partner

[Industry Information] Nov 06,2026

Load-to-Motor Inertia Ratio for Frameless Torque Motors: From “Stability Shackles” To A “Yardstick for Acceleration Capability”

In traditional servo selection, the inertia ratio is often treated as a red line: exceed the recommended value, and the system may oscillate, overshoot, or become difficult to stabilize. However, when the actuator is replaced by a frameless torque motor and the transmission is replaced by direct dri

[Industry Information] Nov 06,2026

Surface-Mounted High-Speed Rotor Magnet Retention: Why “the Adhesive Will Hold It” Is The Most Dangerous Illusion

In a high-speed permanent-magnet motor running at more than 20,000 rpm, every magnet on the rotor periphery experiences a centrifugal force dozens of times its own weight. If the designer assumes that “a better adhesive will hold it,” the result is often that at some point in durability testing the

[Industry Information] Oct 28,2026

Magnetic Pole Pairs: Too Many Is Wasteful, Too Few Is Insufficient—Where Are The Selection Limits of Injection-Molded Ferrite Disks?

When selecting magnetic encoder disks, a common intuition is: the higher the number of pole pairs, the higher the resolution and the better the performance. At the sensor level, this judgment is broadly valid. But once the magnet material is fixed as injection-molded ferrite, the situation becomes m