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

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 widely […]

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.


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.

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 […]

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 (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 […]

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.

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 […]



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