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

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. […]

Welding Magnets

Welding Magnets

Welding Magnets Powerful welding magnet for holding steel parts in place at 30°, 45°, 60°, 75°, 90°and 135°. Frees hands for work. Use for welding, soldering, assembly marking off and pipe installation.  Different model has different pull strength.

Round Base Magnets

Pot Magnets (2)

Pot Magnets (2) Pot magnets consist of a steel shell with a magnet sunken into one face. 3J international supplies pot magnets which are made with strong Neodymium magnets combined with steel cups. These Neodymium pot magnets can be supplied with a tapped hole, a countersunk hole, a counter-bored hole, a threaded stud or a […]

Magnetic Tool Holder

Magnetic Tool Holders

Magnetic Tool Holders These magnetic tool holders are specialized for different kinds of tools such as spray gun, screwdrivers, socket and small tools. These tool holders keep the tools at the work site, instead of at the mixing station.

Pot Magnets

Pot Magnets (1)

Pot Magnets (1) Pot magnets consist of a steel shell with a magnet sunken into one face. 3J international supplies pot magnets which are made with ceramic magnets combined with steel cups. You can attach a hook or knob to position or hold inspection equipment, lamps, signs, antennas and more.  These pot magnets can also […]



Magnetizer/Demagnetizer Magnetizes or demagnetizes most steel screwdrivers or other small tools. Collects metal items from inaccessible places. Allows easy and precise handling in confined spaces.


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