Different from conventional magnet OEM manufacturers, Qiushuo Permanent Magnet relies on dual technical qualifications of National High-Tech Enterprise and Guangdong Provincial Specialized, Refined, Differential and Innovative Enterprise.

We focus on four core technical fields: permanent magnet material formula, precision forming, anti-corrosion surface treatment and magnetic circuit matching, building unique technical barriers in the industry. Beyond standardized mass production, we solve industry pain points such as high-temperature demagnetization, corrosion, dimensional deviation and low equipment efficiency, providing differentiated services of "customized technology + precision mass production + long-term guarantee" to empower clients’ market competitiveness.

To solve the common problem of high-temperature demagnetization, we have independently developed a gradient NdFeB formula system covering 7 major grades (N/M/H/SH/UH/EH/VH) with an operating temperature range of 80℃~230℃.

By adjusting rare earth element ratio and grain orientation technology, we significantly improve coercivity and thermal stability. Compared with conventional magnets, our products reduce magnetic flux attenuation by over 35% under high temperature, ideal for new energy motors and industrial control equipment. Optimized sintered ferrite formulas also provide consistent remanence for cost-effective civilian applications.

With years of surface treatment experience, we master full-range coating technologies, especially nickel-copper-nickel triple composite plating and thickened epoxy coating.

Customized for humid motor working conditions, water vapor corrosion of iron separators and outdoor acid-base environments, our triple composite plating improves adhesion by 40% with over 240 hours of salt spray resistance. The dense thickened epoxy coating eliminates micropore corrosion, completely solving the inherent oxidation problem of NdFeB magnets with a service life far exceeding industry standards.

Equipped with over 200 high-precision processing equipment including multi-wire cutters, special-shaped grinders and inner circle cutters, plus self-developed forming fixtures, we overcome processing difficulties of segment, racetrack, deep-hole and thin-wall magnets.

Dimensional tolerance is controlled within ±0.03mm with better flatness and edge integrity than industry standards. We realize mass production of ultra-thin and micro special-shaped magnets for acoustics, medical devices and smart wearables, solving the industry pain points of low precision and low yield rate for non-standard parts.

We have built an industry-leading full-dimensional testing system. With Gauss testing clusters, 2D projectors, thermal cycling chambers and salt spray testers, we conduct full inspection on raw materials, semi-finished and finished products.

Supported by ISO9001:2015 / ISO14001:2004 dual management systems and SGS RoHS/REACH compliance, we quantitatively control magnetic performance, dimensional tolerance and coating properties. The batch magnetic deviation is controlled within ±2%, much better than the industry conventional ±5%, ensuring consistent assembly for clients’ equipment.

Based on our material and working condition database, our engineers match optimal magnet grades and coating solutions according to temperature, humidity, vibration and medium environment, avoiding design defects such as high-temperature demagnetization and corrosion failure in advance.

We provide magnetic circuit simulation for motors, speakers and magnetizers to improve equipment efficiency and reduce client R&D trial cost.

For special working conditions, we provide customized services including formula fine-tuning, coating thickening, tolerance tightening and polarity customization.

Relying on the dedicated production line of the Special-shaped Magnet Department, we rapidly complete prototyping and mass production, converting our technical advantages into clients’ exclusive market competitiveness.

Our technical team provides 24-hour response for on-site problems such as magnetic attenuation, coating peeling and assembly adaptation, forming closed-loop solutions through condition review, performance testing and process rectification.

The international team provides full English technical documents and compliance reports to support overseas project docking and after-sales implementation.

Driven by technological innovation, Qiushuo Permanent Magnet continuously upgrades material formulas, anti-corrosion processes and precision machining technologies. Focusing on new energy power, high-end acoustic sensing, medical intelligent equipment and other high-end fields, we leverage independent core technologies and intelligent manufacturing capabilities to become a long-term trusted technical partner and value co-creator in the global permanent magnet application industry.