Neodymium Magnet Manufacturer List in Asia

Neodymium Magnet Manufacturer List | The Neodymium magnet is the strongest type of permanent magnet currently available. They are made from a mixture of neodymium, iron, and boron, and possess a very high pulling force. Neodymium magnets are used in various applications, including electronics, automotive, and aerospace.

Asia is the largest producer of neodymium magnets in the world. The countries that produce the most neodymium magnets in Asia are China, Japan, and South Korea.

Manufacturers of neodymium magnets in Asia produce various types of magnets, including bar magnets, ring magnets, disc magnets, and sphere magnets. Neodymium magnets produced in Asia have high quality and competitive prices.

If you are looking for neodymium magnets, you can choose from various manufacturers of neodymium magnets in Asia. Be sure to select manufacturers with a good reputation that offer quality products.

Neodymium Magnet Grades

Neodymium magnets are the strongest type of permanent magnet available. They are made from a combination of neodymium, iron, and boron. The grade of a neodymium magnet is indicated by a letter and a number. The letter is always "N" for neodymium, and the number represents the magnet's maximum energy product in Mega-Gauss Oersteds (MGOe).

The higher the MGOe value, the stronger the magnet. The most common grades of neodymium magnets are N35, N42, and N52. N42 magnets offer a good balance of strength and price. N52 magnets are the strongest available, but they are also more expensive.

Neodymium magnets are used in a wide variety of applications, including:

• Motors
• Generators
• Speakers
• Sensors
• Toys
• Jewelry

Neodymium magnets should be handled with care, as they can be dangerous if they come into contact with each other or with ferromagnetic materials. Here are some additional details from the statement:

1. The temperature rating of a neodymium magnet is indicated by a letter or two letters at the end of the grade designation. The letters "A" and "B" indicate a temperature rating of 80°C and 100°C, respectively.
2. Neodymium magnets should not be exposed to temperatures above their rated temperature, as they will lose their magnetism.
3. Neodymium magnets are brittle and can be easily chipped or broken. They should be handled with care to avoid damage.
4. Neodymium magnets can be attracted to each other with a very strong force. This can be dangerous if they come into contact with each other or with ferromagnetic materials.
5. Neodymium magnets can be harmful if ingested. If you think someone has ingested a neodymium magnet, please seek medical attention immediately.

Please note that China is the world's leading producer of neodymium magnets, accounting for over 80% of global production. As a result, many of the largest and most well-known neodymium magnet manufacturers are located in China.

Neodymium Magnet Manufacturers

Here is a list of neodymium magnet manufacturers in Asia:

China

1. Zhejiang Jinlan Magnet Co., Ltd.
2. Beijing Zhongke Magnetic Materials Co., Ltd.
3. Ningbo Shenghe Magnet Co., Ltd.
4. Hangzhou Permanent Magnet Co., Ltd.
5. Fujian Nanping Longma Magnet Co., Ltd.

Japan

1. Magnequench Japan Inc.
2. TDK Corporation
3. Nippon Rare Earth Co., Ltd.
4. Hitachi Metals, Ltd.
5. Sumitomo Corporation

South Korea

1. Shinheung Industry Co., Ltd.
2. Daehan Neodymium Co., Ltd.
3. SAMCO Neodymium Co., Ltd.
4. KME Neodymium Co., Ltd.
5. Hanwha Advanced Materials Corporation

Taiwan

1. Shin-Etsu Chemical Co., Ltd.
2. Neo Magnetics Corporation
3. TDK Taiwan Co., Ltd.
4. Hitachi Magnetics Corporation
5. Sumitomo Corporation (Taiwan) Ltd.

Neodymium Magnets

What are neodymium magnets?

Neodymium magnets, also referred to as NdFeB, NIB, or Neo magnets, represent the most commonly utilized rare-earth magnets and are the strongest permanent magnets accessible in the commercial market. These magnets emerged independently in 1984 through efforts by General Motors and Sumitomo Special Metals. They consist of an alloy composed of neodymium, iron, and boron, forming a tetragonal crystalline structure known as Nd2Fe14B.

Neodymium magnets stand out as the most potent permanent magnets globally, boasting unparalleled magnetic strength. They are relatively recent innovations and have only recently become economically feasible for everyday applications. In their pure state, neodymium exhibits magnetic properties, albeit only at extremely low temperatures below 19 K (-254.2 °C; -425.5 °F). However, compounds of neodymium with transition metals like iron exhibit ferromagnetic properties, with Curie temperatures well above room temperature, rendering them suitable for crafting neodymium magnets.

The neodymium magnet alloy consists of microcrystalline grains that become aligned within a robust magnetic field during the manufacturing process, ensuring that all their magnetic axes point in the same direction. Remarkably, neodymium magnets are lightweight despite their formidable strength, which contributes to their widespread use in diverse applications.

It's essential to note that the iron present in neodymium magnets is susceptible to rust if exposed to the elements. To safeguard against corrosion and reinforce the brittle magnet material, they are often coated with nickel.

Why are neodymium magnets important?

Neodymium magnets are created by combining neodymium, iron, and boron to create the Nd2Fe14B tetragonal crystalline structure. Due to their remarkable strength, even small neodymium magnets can be highly effective, showcasing their exceptional versatility. They find application in numerous contemporary technologies, including hard disk drives, mobile phones, television audio and video systems, as well as in the realms of medicine and dentistry. 

Additionally, neodymium magnets are frequently employed in magnetic separators, filters, ionizers, the production of on-off switches, and are utilized by grease filter manufacturers. They play a crucial role in heavy engineering and manufacturing sectors, being utilized for lifting large ferrous objects, and switchable release magnets incorporating neodymium magnets are employed in both the automotive and aerospace industries. Furthermore, neodymium magnets have practical utility in domestic settings, serving hobbies such as crafts, modeling, and jewelry crafting

Why is Asia a major producer of neodymium magnets?

China stands as the sole nation engaged in all aspects of the neodymium magnet production process, encompassing both the initial stages (mining, carbonates manufacturing, and rare earth oxide separation) and the subsequent phases (magnet fabrication). Consequently, Chinese manufacturers have risen to prominence in the neodymium magnet industry, primarily owing to their significant influence over a substantial portion of the global rare earth supply and processing capabilities.

China Northern Rare Earth Group's Bayan Obo facility stands as the largest producer of neodymium and praseodymium, further cementing China's supremacy in crafting potent permanent magnets, which play an essential role in numerous energy transition technologies. While various economies have endeavored to reduce their reliance on rare earth imports from China, it is important to note that as of 2019, China still maintained an impressive share, producing roughly 85 percent of the world's rare earth oxides and nearly 90 percent of rare earth metals, alloys, and permanent magnets.

Hence, Asia, particularly China, serves as a pivotal hub for neodymium magnet production due to its comprehensive control over the rare earth supply chain and processing capabilities.

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