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

Inspection mirrors

Inspection mirrors

Inspection Mirrors Bendable inspection mirror with plastic handle or inspection mirror with telescopic rod. Fast, accurate visual inspection of hidden areas with an almost limitless number of positions.

Pick -up tools

Pick -up tools

Pick -up Tools Pick-Up tools useful for mechanics or anyone that needs to retrieve metal objects, they contain strong magnets or claws can be used in different areas.

Name Card

Name Badge Magnets

Name Badge Magnets Badge holding sets designed to hold through clothing without using a pin.

Posting Magnets

Posting Magnets

Posting Magnets Colorful posting magnets and Magnetic thumbtacks for the fridge, filing cabinet, locker or other steel surface.   Different size of posting magnets and magnetic thumbtacks     Neodymium magnets with adhesive are powerful, compact magnetic discs with an easy pull-tab adhesive liner. And the liner showing with the north pole or the south […]


Flexible Magnets

Flexible Magnet is a form of ferrite magnets, combine plastic or rubber with ferrite magnet power. The manufacturing process involves injection molding, extruding and calendaring. This material can be bent, twisted, coiled, cut or be machined into almost any shape. And also can be laminated with vinyl, double sided tape, PP. It’s low cost, flexibility […]


Neodymium Magnets

Sintered Neodymium-iron-Boron Magnets Sintered neodymium-iron-boron (NdFeB) magnets, also referred to as“neodymium magnet”, are made from Neodymium, iron and boron. They are the most powerful magnet in the world. Neodymium magnet can be made in blocks, discs, rings, arc segments, in a very small shape but with strong power. That means they can be used in […]

Ferrite Magnets

Ferrite Magnets

Ferrite Magnets, known as ceramic magnets, are the most commonly used permanent magnets in the world even today. The major raw material used to manufacture ferrite magnets is iron oxide. That's why one of ferrite magnets' principal advantage is very inexpensive. Ferrite magnets are also very strong, stable and very resistant to corrosion. So they […]


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