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

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.

Magnetic Tool Racks

Magnetic Tool Racks

Magnetic Tool Racks   These powerful magnetic tool holders are made into different size and color by different component. They can organize hammers, wrenches, screwdrivers, knives and cooking tools. Perfect for using in garages, workshops, trucks vans and kitchens. All of them have two mounting holes.   

Lifting Magnets

Lifting Magnets(1)

Lifting Magnets (1)   It is Permanent Magnetic Lifter( permanent lifting magnet) used to hold/release steel plate or iron block for lifting or handling operation. It has strong magnetic path produced by NdFeB permanent magnet. On and off is controlled by turning the handle without extra power. They are easy, safe for operation and handling, which are […]

Latch/Door Magnets

Latch Door Magnets Latch magnets are ideal for cabinets, chests and other enclosures. Custom latch magnets are also available upon request.


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