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November 10, 2025

Custom Neodymium Magnets: Advanced Insights for Industrial Applications

Introduction to Neodymium Magnets Neodymium magnets, or NdFeB magnets, are rare-earth magnets composed of neodymium, iron, and boron. They are known for their exceptional magnetic strength and compact size, making them the preferred choice for high-performance applications in electronics, automotive systems, renewable energy, and industrial automation. The demand for neodymium magnets has grown steadily as technology advances, requiring precise engineering, material selection, and quality control to meet stringent industrial standards. Material Properties and Classification NdFeB magnets can be classified by their grade, coating, and coercivity, which influence their performance in different environments: Grade: Determines maximum energy product (BHmax), affecting the magnet’s strength. Higher grades provide more compact solutions. Coating: Essential for corrosion resistance; common coatings include nickel-copper-nickel (Ni-Cu-Ni), epoxy, and zinc. Coercivity: Indicates resistance to demagnetization, important for high-temperature or high-stress environments. These material parameters are critical when designing custom neodymium magnets for specialized applications. Manufacturing Methods: Sintered vs. Injection Molded Magnets Neodymium magnets can be produced using multiple methods, each with specific advantages: Sintered Magnets Sintered NdFeB magnets are manufactured through a powder metallurgy process, offering high magnetic performance and dimensional stability. They are ideal for applications requiring maximum magnetic strength, such as electric motors, generators, and magnetic couplings. […]

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February 24, 2024

Chase Technology Selected as Specialized ‘Little Giant’ Enterprise

The Ministry of Industry and Information Technology recently completed the fourth batch of special “little giant” enterprise cultivation and the first batch of reviews, recognizing those with development characteristics of specialization, refinement, novelty, and expertise. These “little giants” are small enterprises at the forefront of sectors like IT, high-end equipment, new energy, materials, and biomedicine. They excel in market segmentation, innovation, holding key technologies, and high quality-efficiency. They often lead the way with strong performance, high tech content, advanced technology, robust management, and competitive markets. Notably, Chase Technology has been successfully selected among these elite enterprises.

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February 5, 2024

Jiangxi Joins New Material: Pioneering SmFeN Rare Earth Magnets with Innovation and Sustainability

In 2020, Jiangxi Joins New Material Co., Ltd was founded as a production base for SmFeN, a novel rare earth permanent magnet material. Due to its superior magnetic properties and stability, SmFeN is widely used in micro-special motors, magnetic sensors, magnetic functional tools, and other fields. Located in Ganzhou Economic and Technological Development Zone, Joins New Material acquired a 30 acres land plot, commenced construction in 2021, completed its main project in 2023, and gradually came into operation in 2024, with a planned annual production capacity of 2,000 tons of novel rare earth permanent magnet materials. Meanwhile, the company persists in continuous technological innovation and research and development investment, boasts a professional team of highly educated technicians, and has been recognized as a “National High-tech Enterprise,” “Jiangxi Provincial Specialized and New Small and Medium-sized Enterprise,” and “Jiangxi Provincial Seed Unicorn Enterprise.” It emphasizes intellectual property protection with over ten national patents applied for and actively participates in and supports the formulation and implementation of national standards, promoting the normalization, standardization, and sustainable development of the industry. As a drafting unit of multiple national standards such as GB/T 42668-2023, Samarium-iron-nitrogen Permanent Magnetic Powder for Bonded Magnet, the company contributes to the […]

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December 5, 2024

Hangzhou Chase Technology Elevates Magnetic Material Standards with GB/T 43750-2024

The national standard GB/T 43750-2024, Test Method of Magnetic Properties of Isotropic Rare-earth Permanent Magnetic Powder, was jointly formulated by multiple enterprises and research institutions and implemented on October 1, 2024. Hangzhou Chase Technology, one of the key participants, significantly contributed to its development. The standard covers methods for measuring remanence, magnetic induction coercivity, intrinsic coercivity, and maximum energy product. Its formulation is crucial for standardizing measurements, enhancing product quality, and raising technical standards. Hangzhou Chase’s involvement reflects its strength in technology research and commitment to the magnetic materials industry. The standard’s publication will provide unified specifications and quality standards, contributing to the sustained and healthy development of China’s magnetic materials industry.

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