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

New sweeper4

Strong Handle Magnetic Sweeper, perfect for garage, workshop, construction areas and more! Powerful magnetic sweepers are useful for quickly clearing dangerous ferrous scrap metal including iron chips, shavings, nails, nuts, screws, tacks, barbed wire and staples etc. Quick, convenient, safe, and time saving to clean floors, driveways, construction areas, walkways, factory aisles, loading docks, packing lots and more. […]

Magnetic Tray

Magnetic trays

Magnetic Trays Magnetic trays in different size and material, contain strong permanent magnet. Can hold nuts, screws, small metal parts and tools. Great for jobsite, garage, office and home.  


Magnetic Sweepers

Magnetic Sweepers   3J international has many different kinds of magnetic sweepers. We have mini magnetic sweepers, magnetic sweeper with release, heavy duty magnetic sweepers, hang-type magnetic sweepers and so on. These magnetic sweepers are useful for clearing dangerous ferrous, scrap metal including iron chips, shavings, nails, nuts, screws, tacks and staples etc. They can be […]

Magnetic hooks

Magnetic Hooks

Magnetic Hooks Hooks with strong magnets inside provide a great solution for hanging objects from various surfaces. Metal walls, refrigerators, filing cabinets, etc.


Magnetic Clips

Magnetic clips Clips with strong magnets inside provide a great solution for hanging objects.Post notes from various surfaces. Metal walls, refrigerators, filing cabinets, etc.    

Channel Style Magnets

Channel Style Magnets

Channel Style Magnets 3J international supplies different size of Channel magnets and Sandwich Assembly Magnets. These magnetic assemblies consist of steel and permanent magnet. They are supplied with a tapped hole for convenient mounting located in the middle of the magnet or at either end depending on the size. These magnetic assemblies do not chip […]

Lifting Magnets

Lifting Magnets (2)

Lifting Magnets (2) Switchable, strong lifting magnet assembly complete with release mechanism. Ideal for moving sheets of steel quickly and easily. Operated by a simple handle release mechanism, this switchable magnet is ideal for moving sheets of steel and removing plasma cut shapes from scrap steel skeletons avoiding sharp edges and potential injuries. When the […]

holding magnet

Holding/Retrieving Magnets

Holding/Retrieving Magnets 3J international has the holding magnets with screw and eyebolt or with handles. They are available in a variety of shapes, sizes, strengths, and have a variety of uses such as collect scattered screws and nuts, holding steel parts, metal objects. Power coating or nickel plating on the surface, different color is available. […]


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