About Us

JS Brothers is a manufacturer in the area of tools and magnets, located in Ningbo, Zhejiang, China. We have been in the industry for over 30 years and is one of the largest factory in magnetic tools and magnetic devices area in China.
Our main products are tools, magnets, magnetic assemblies & devices, and stators or stators with permanent magnets for different kinds of motors. We handle whole line of raw magnets also, including Rare-earth Magnets, Ferrite Magnets, Bonded Magnets and Flexible Magnets etc.
Our experienced engineer team has developed 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 JS Brothers, you will get quality products with competitive price, on time delivery and good services.

Our Products

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 […]

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.

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 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 used […]

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.

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. […]

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. […]

Magnetic Tool Holders

These magnetic tool holders are specialized for holding different kinds of tools such as spray gun, screwdrivers,screws nuts, sockets and small tools. These tool holders well keep the tools at the worksite, instead of at the mixing station.                    

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