SPNERKEJI | Advanced Permanent Magnets & Magnetic Solutions

About SPNERKEJI

Hangzhou Spanner Science and Technology Co., Ltd. was established in April 2008 and recognized as a High-Tech Enterprise in Zhejiang Province in 2016. Located in Lin’an Qingshan Lake Science and Technology City, our facility spans 120 acres with a 24,000㎡ production workshop and 6,000㎡ office space.

With over 150 employees, including senior technical and management personnel, we specialize in the R&D and manufacturing of permanent magnetic materials, including Ferrite and NdFeB magnets, injection-bonded rotors, and integrated motor solutions.

150+

Employees

120

Acres Facility

Our Products

High-performance permanent magnets engineered for precision, durability, and efficiency in motors, robotics, and industrial systems.

NdFeB Sintered Magnet Radial Ring

For BLDC Motor | OD 9.9* ID5*H15mm | Grade 35SH

High remanence & coercive force
Used in DC, brushless, and stepping motors
Anisotropic multipole ring

NdFeB Sintered Magnet Radial Ring

For BLDC Motor | OD 14.5* ID5*H20mm | Grade 38SH

High remanence & coercive force
Radial multipole configuration
Optimized for high-efficiency motors

High Strong NdFeB Multipole Rings

Anisotropic | For BLDC Motors

Used in motors, speakers, MRI systems
High magnetic stability
Precision sintered manufacturing

Neodymium Sintered Anisotropic Ring

Multipole Magnet for Motors

High remanence and coercivity
Wide industrial applications
Customizable pole configurations

Neodymium Hot Pressed Magnet

Multipole | Custom R&D

Independent R&D and unique equipment
Customer-specific designs
High-density and thermal stability

Ferrite Sintered Isotropic Ring

For Stepping Motor | Multipole

Isotropic magnetic properties
Multi-directional magnetization
Cost-effective and stable

Ceramic Ferrite Bonded Injection Rotor

For Motor Applications

Excellent corrosion resistance
No coating required
High mechanical strength

Ferrite Integrated Motor Magnet

With Plastic Injection

Composite molding technology
Elastic magnetization
Stable magnetic properties

View All Products

Why Choose SPNERKEJI

High-Tech Enterprise

Certified High-Tech Enterprise in Zhejiang Province since 2016, with advanced R&D and production capabilities.

Advanced Manufacturing

24,000㎡ workshop with sintering, injection bonding, and hot pressing technologies for precision magnets.

Global Applications

Our magnets power motors, robotics, medical devices, and industrial systems worldwide.

Frequently Asked Questions

What types of magnets do you manufacture?

We specialize in Ferrite magnets (sintered anisotropic, isotropic, and bonded injection) and NdFeB magnets (sintered, bonded, and hot-pressed), including multipole rings and integrated motor rotors.

Can you customize magnets for specific applications?

Yes, we offer full customization including size, grade, pole configuration, and magnetization patterns based on customer requirements.

What industries use your magnets?

Our magnets are used in electric motors (BLDC, stepper), robotics, industrial automation, medical devices (MRI), speakers, and consumer electronics.

Do you provide samples?

Yes, we offer sample production for qualified partners. Please contact us for details.

Get in Touch

Reach out to SPNERKEJI for product inquiries, custom solutions, or partnership opportunities.

Email

[email protected]

Mobile

19858159352

Phone

+86-571-58688738

Fax

+86 58617138

QQ

413395669

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