Ningbo Xinfeng Magnet Industry Co., Ltd was established since 2004 as a high-tech company, which specialized in researching, manufacturing and providing solutions of sintered NdFeB permanent magnet. ISO 9001 and TS 16949 is our quality system, with the business philosophy “customers first, win-win situation“. Our product are exported to Europe, America, Asia and so on, which gained a great reputation among the world.
We are your reliable sources for all types of permanent and rare earth magnets for sale. We provide all types of magnets with a full selection of grades, shapes, dimensions and coatings with new products being added frequently. Ningbo Xinfeng Magnet has all of them. Check out on our website!
We have the most strongest Neodymium Magnets available for sale, such as N35, N38, N42, N45, N50 and N52 that are the most popular Rare Earth Magnets nowadays. When we say NdFeB, which means the alloy of three elements, Neodymium, Iron, and Boron joined together creates the Strong Neodymium Magnets. Sometimes, people use the words “Rare Earth Magnet” and “Neodymium Magnet” for both, because neodymium magnets are the most popular and well-known of the rare earth material for sale today. At the same time, we can call strong neodymium magnets Neo Magnets, or Earth Magnets.
As usual, we call them magnetic blocks, rectangular neodymium magnets, magnet blocks or neodymium bar magnets, their basic geometric shape is a rectangle. Magnetic blocks are always used in industry or labs, sometime the small magnetic blocks may be used as craft magnets for many hours of enjoyment.
Our super strong neodymium disc magnets have wide variety grade N35, N38, N40, N42, N45, N50 and N52. The strong neodymium discs magnets have Nicuni, Zinc and Epoxy coatings, sometimes the disc magnets with a countersunk hole that drilled in the middle to attach it to nonmetallic materials, such as wood or plastic plant. These disc magnets can allow the screw’s head to reside below, or maybe with the face of the magnet to ensure it doesn’t interfere with the magnet's performance.
Our strong neodymium arc magnets are widely used in building motors, generators and magnetic bearing. Considering the real situation of the motors, we always provide N45M, N48H, N50H, N35SH, N42SH, N38UH, N35EH magnets with high grade, they have better anti-demagnetization function than other magnets, by using strong neodymium segment magnets can build much more powerful motors and generators for you. Here, you can find all dimensional types of the neodymium magnets in the arc shapes.
Our strong neodymium ring magnets N35, N38, N40, N42, N45, N50 and N52 are in many sizes. When we call ring magnets, tube magnets, or maybe permanent magnets rare earth strong neodymium ring magnets, they are very similar, just the height or length are different. The neodymium ring magnets are always used in speaker, jewelry and home-office condition. The magnetized direction is always through axial, but some customers use it to assemble their sensor, then the magnetized direction is through the dialectally.
Our strong neodymium sphere magnets are both in practical use and for kids’ fun, they are always 216pcs packed into one tin-box. In our production line, these strong magnetic spheres range in all sizes, such as diameter 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 15mm, 20mm, 25mm, 32mm and 50mm. These ball magnets are used in many chemistry and physics classes, and also some toys manufacturer use them to assemble their toys. Our magnet balls are also available in custom, namely providing them with your logo, white box and tin-box, then deliver them via FBA terms to Amazon warehouse directly.
These magnetic ball products are coating by a shinning and nice nickel, in order to protect your ball magnets from rusting. However, we can also provide the magnetic sphere balls in other colors, such as red, purple, pink, orange, yellow, green, blue, black and silver, their strong magnetic pull up to 80 Celsius.
Our neodymium magnets with countersunk holes have two shapes, one is hole in round shape magnets, the other is hole in block shape magnets. A countersunk hole in a magnet provides a very convenient way to fix the magnet onto a surface securely by using a matching screw, such as M3, M4, M5, M6, M8, M10 and so on. Sometimes, the buyers do not know exactly that which polarity should they use for the final application. The simple way is if you use the magnet to attract to a steel surface, there is no difference. But if you plan to use these magnets to attract to each other, then the quantity will be north polarity in half, and south polarity in half. If you plan to use this magnet to attract to your own magnet, you need to choose the different pole to match them up.
For many of our customers, the Xinfeng Magnet Best Sellers are a valuable guide for neodymium magnets purchases. They provide a quick overview of what other customers decided to buy.
Our top best sellers products are popular for a reason, updated weekly. See for yourself why they have so many fans.
In modern electric motor design, neodymium iron boron (NdFeB) magnets have emerged as a critical component for enhancing efficiency, power density, and compactness. As the most powerful permanent magnets commercially available, NdFeB magnets pl ... Read more
I. The “Permanent Magnet” Trend in Wind Power Generation Against the backdrop of the global energy transition, wind power generation is a clean and renewable energy source. The technology of wind power generation is constantly inn ... Read more
In the world of medical devices, the use of magnets is becoming increasingly important. Of the various types of magnets available, NdFeB magnets are considered the strongest and most reliable. NdFeB magnets are made from a combination of neodymium, ... Read more
Neodymium iron boron NdFeB magnets (NdFeB) is a super strong magnet that’s used in many types of electric motors. These magnets are incredibly powerful and efficient. They help motors to produce more power, run more smoothly, and be more relia ... Read more
1. Hysteresis loop The hysteresis loop, as shown in the figure, is a characteristic curve of hard magnetic materials like neodymium iron boron magnets. It illustrates the relationship between magnetic induction (B) and magnetizing field strength ... Read more
The low-speed high-torque BLDC motor is a special BLDC motor with a unique electrical mechanical design and motor structure design. It has a wide range of applications and is an indispensable part of modern industry. 1. Features The low-speed ... Read more
Why does sintered NdFeB need coating?How to choose coating materials? Zinc plating, nickel plating, or other materials?What are the differences between different coatings? Today, this article will address issues related to coatings for NdFeB magnetic steel.NdFeB magnetic steel is produced using powder metallurgy te ... + Read more
What do we often mean by magnetizing magnets? As the name implies, it is to magnetize a magnetic substance or to increase the magnetism of a magnet with insufficient magnetism. Generally, the magnetic object to be magnetized is placed in a strong magnetic field formed by a coil with direct current passing through it, ... + Read more
When you’re trying to figure out the right neodymium magnet for your design needs, you’ll always see the terms “grade” or “N-grade” from any supplier or manufacturer. In addition to some other criteria such as coating, tolerances, etc., the desired material grade must be defined for ... + Read more
NdFeB permanent magnet is also called modern industrial monosodium glutamate. As a high-performance magnetic material of modern industry, it promotes the progress of contemporary technology and society and is widely used in various fields. How to judge the comprehensive advantages of permanent magnet products: 1. Magn ... + Read more
As the name suggests, NdFeB strong magnets are mainly made of three materials: neodymium, iron, and boron. Of course, there are other elements. After all, the ingredients of different products are different, and the size of the magnetic force is determined by The ratio of these key materials is produced. Therefore, ... + Read more
NdFeB magnets have various shapes, such as round, disc, cylinder, cylinder (with inner hole); square, square, square column; tile, fan, trapezoid, polygon and various different shapes. regular shapes, etc. The permanent magnets of each shape have different sizes, and it is difficult to do one molding in the production ... + Read more
Magnets are the most common magnetic substances in our lives. We have all seen magnets and played with magnets. We also experimented with them in physics class. In fact, its scientific name is called a magnet, and its atomic structure is relatively special. The two ends of the magnet are called magnetic poles. The mag ... + Read more
Magnetic moment is a physical property of NdFeB magnets. Magnetic moment describes the physical quantity of current-carrying coil or microscopic particle magnetism. Magnetic moment is a physical property of NdFeB magnets. When the magnet is in the external magnetic field, it will feel a certain torque, which will m ... + Read more
Some people don’t know what is the salt spray test of NdFeB magnets, and why do they need to do salt spray test, let’s find out today. NdFeB magnets are widely used in the industrial field. The working environment is not so comfortable. The harsh working environment will corrode NdFeB magnets. There is ... + Read more
Since the advent of NdFeB permanent magnet materials in the 1980s, they have been widely used in automobiles, wind power, aerospace, military and other fields with their excellent magnetic properties. In recent years, the demand for wind power generation and new energy vehicles has been increasing. This places higher ... + Read more
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