About US

3J International is an Import and Export Company with its own factory, located in Ningbo, Zhejiang, China.

Our main products are magnetic material (including neodymium-iron-boron, Ferrite, flexible magnet), office magnet, tools for auto repair and magnetic Assemblies & Devices. Our products are mainly exported to the United States, Europe, Japan, South America and Hong Kong.

Our experienced engineer team has been developing new products year after year in order to fulfill our customers’ increasing demands and requirements.

We serve our customers in following aspects: Product Design, Rapid Prototype, Mold Making (including Injection Mold, Stamping die and die casting), Manufacturing and Assembling, Custom Sourcing, Exporting, Shipping and other services raised by customers.

With 3J International, you will get quality products with competitive price, on time delivery and good services.

Our Products

For Series Motor

Stators and Stator with Magnet Assemblies

Stators and Stator with Magnet Assemblies We make custom stators for our customers. Specially stators used in Tubular Motors, Pump Motors, Servo Motors, Electromagnets and Cap Motors. We provide assemblies related with stators also, such as stators with magnets assemblies. For Tubular Motor   For Pump Motor For Series Motor For Servo Motor For Electromagnet […]

Magnetic Filter1

Magnetic Filter

Magnetic Filter Outside material: stainless steel Inside magnet: neo magnet or ferrite magnet Pipe diameter:20-50mm, normal in 25mm length and the whole shape could be customized Highest surface flux:12000 guasses Used in various fields, including chemical industry, the foodstuff industry,the pharmaceutical industry, and the feedstuff industry.



V-PAD This V Pad Welding Magnet,  each  contains 4 rare-earth magnets, can hold any workpiece to another at any angle by simply slapping V Pads onto the pieces. It  can be used for flat plate, corners, round pipe and other places.  


Magnetic tissue holder

Magnetic tissue holder Attach to ferrous metal surface such like refrigerators, washing machine, keeping roll paper within reach. Perfect for home, office, warehouse, garage and school. The diameter of roll should be less than 11.5cm.   Material;Plastic + Steel + Ferrite Magnet Working Temperature: ≤ 70℃ Load Capacity: less than 500g


Knife Sharpener

Knife Sharpener Using instruction: Fix the sharpener any smooth surface and pull down the grip to lock the sharpener by suction pad. Smooth surface include glass, marble, granite & fiber glass. Fix the sharpener any smooth surface and pull down the grip to lock the sharpener by suction pad. Smooth surface include glass, marble, granite […]


Tire Shape Timer with Clock

Tire Shape Timer with Clock Clock Time 24 hour or AM PM setting Count Down/Count up Timer Neo Magnet Support Stand Power source:'AAA'×1PC Unit dimension:80×80×24 mm

Mechanical magnetic kitchen timer-1

Mechanical Magnetic Kitchen Timer

Mechanical Magnetic Kitchen Timer Mechanical timer clockwise twist a circle and then counterclockwise twist to the time scale you want to set, the time error is about 3 minutes Timing range:1-60 minutes

LED light cup

LED light cup

LED light cup The cup is made of  PS and with 2pcs 3V CR2025 battery on the bottom Printing logo could be customized Cup size: opening D7.6cm × H13.5cm


3J International have the capabilities to provide standard or customized magnets and assemblies to our customers' specifications in better quality but lower cost.



3J International is an expert in magnetic materials and magnetic products. Customers rely on us to ensure that all rules and regulations are being followed


Contact Us

If you have questions or need a quote, call us at