Top 10 SmCo Magnet Manufacturers & Suppliers in China 2025

In the world of magnetic materials, Samarium Cobalt (SmCo) magnets are widely used in industries such as electric vehicles, aerospace, and medical devices due to their excellent high-temperature stability, corrosion resistance, and high magnetic energy density. If you're looking for high-quality SmCo magnets suppliers, especially from China, you've come to the right place! China has become a global leader in the Samarium Cobalt magnet market, thanks to its strong production capabilities and innovative technologies.

However, how do you choose the right partner among the many suppliers? In this article, we will detail the Top 10 SmCo Magnet Manufacturers & Suppliers in China 2025, helping you understand their characteristics, advantages, and market performance. Whether you're a first-time buyer or have experience in the industry, the information provided will help you make an informed decision. Are you ready? Let's dive into these top suppliers!

Table of Contents

• 1. China SmCo Magnet Manufacturers List
• 2. How to Choose a Reliable China SmCo Magnet Manufacturer
• 3. How to Purchase SmCo Magnets from China Manufacturers
• 4. Price of SmCo Magnet in China
• 5. Comparison of Chinese and American Samarium Cobalt Magnet Manufacturers
• 6. FAQ
• 7. Conclusion

List of Top SmCo Magnet Manufacturers in China

1. SDM Magnetics Co., Ltd.

Company Profile:

SDM Magnetics Co., Ltd. is a leading China-based manufacturer of high-performance permanent magnets and magnetic assemblies, serving industries such as automotive, industrial automation, consumer electronics, green energy, medical and aerospace. Founded as a specialized magnet producer, SDM has built manufacturing and engineering capabilities across sintered rare-earth magnets (including SmCo and NdFeB), bonded magnets, AlNiCo and precision magnetic assemblies, positioning the brand as a reliable supplier for customers requiring stable magnetic performance and custom solutions.

SDM’s SmCo (samarium-cobalt) product line — offered in SmCo₅ and Sm₂Co₁₇ grades — targets high-temperature and corrosion-sensitive applications where thermal stability and long-term performance matter (motors, aerospace, precision instruments, and specialized industrial equipment). The company emphasizes controlled vacuum melting, fine powder jet-milling, field-aligned pressing and precision sintering processes to deliver consistent magnetic properties and tight tolerances. SDM also highlights laminated SmCo options and magnetic segmentation for high-speed rotors to reduce eddy-current loss, plus quality systems and industry certifications that support export and OEM programs. These technical strengths make SDM a strong candidate when sourcing SmCo magnets from China.

Establishment: 2004

Headquarters: Hangzhou, Zhejiang, China

Main Products:

• Sintered SmCo magnets (SmCo₅, Sm₂Co₁₇)
• Sintered NdFeB magnets
• Bonded magnets
• AlNiCo (cast & sintered)
• Magnet assemblies
• Motor rotors/stators and custom magnetic solutions

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2. JL MAG

Established: 2008

Headquarters: Ganzhou, Jiangxi, China

Main Products:

• Neodymium Magnets
• SmCo Magnets
• Permanent Magnet Assemblies
• Rare Earth Magnetic Materials

Company Profile:

JL MAG is one of China’s most recognized permanent magnet manufacturers, known globally for its expertise in high-performance rare earth magnetic materials. The company has built a strong reputation in the magnet industry with its advanced production capabilities, strict quality control, and long-term commitment to sustainable development. Serving automotive, wind power, electronics, and industrial applications, JL MAG delivers reliable magnetic solutions backed by modern manufacturing facilities and a strong R&D team.

In the field of SmCo magnets, JL MAG stands out for its engineering capabilities and material expertise. The company offers high-temperature SmCo solutions that maintain stable magnetic properties under extreme environments, making them ideal for aerospace, motors, sensors, and precision instruments. JL MAG’s SmCo products are valued for their corrosion resistance, low temperature coefficient, and long-term magnetic stability. With its strict process control and application-driven customization, JL MAG provides industries with durable and high-performance SmCo magnet solutions.

3. Ningbo Yunsheng Co., Ltd.

Established: 1995

Location: Ningbo, Zhejinag, China

Products

• Ndfeb Magnets
• Smco Magnets
• Ferrite Magnets
• Pressed Magnets

Company Profile:

Yunsheng is one of China’s earliest and most reputable manufacturers of rare earth permanent magnets, with strong global recognition in the magnetics industry. The company is known for its advanced production systems, stable supply chain, and continuous innovation in magnetic materials. With deep expertise in sintered and bonded magnet technologies, Yunsheng supplies high-performance magnetic solutions to automotive, electronics, household appliances, renewable energy, and industrial equipment manufacturers worldwide.

In the SmCo magnet sector, Yunsheng demonstrates strong material engineering capabilities and a comprehensive product lineup. The company focuses on producing SmCo magnets with excellent thermal stability, oxidation resistance, and long-term magnetic reliability—making them suitable for demanding environments such as aerospace, high-speed motors, military equipment, and precision instruments. Yunsheng’s advantages lie in its refined powder metallurgy technology, strict quality assurance, and ability to support customized SmCo magnet specifications tailored to high-end industrial applications.

4. ZHmag

Established: 2000

Location: Yantai, China

Products

• NdFeB Magnets
• SmCo Magnets
• AlNiCo Magnets
• Ferrite Magnets

Profile: Founded in 2000 and headquartered in Yantai, China, ZHmag Magnet Manufacturer is a leading enterprise specializing in the production and research and development of samarium cobalt magnets. As an important player in China's samarium cobalt magnet industry, ZHmag has a place in the global market with its high-performance samarium cobalt magnets. The company is committed to providing high-quality Chinese-made magnets to global customers, and its products are widely used in electronics, electricity, automobiles and medical fields.

With a strong commitment to innovation and quality, ZHmag’s magnets are recognized for their exceptional magnetic properties and outstanding temperature resistance, making them ideal for applications in electronics, automotive industries, power generation, and medical devices. ZHmag’s SmCo magnets are particularly prized for their ability to maintain stability under extreme conditions, such as high temperatures and strong magnetic fields, which are critical for the performance of modern motors, sensors, and energy systems.

ZHmag’s forward-thinking approach and dedication to high standards not only make them a leader in China but also a key competitor in the global market for SmCo magnets, continuing to set the benchmark for innovation and performance in the industry.

website: http://www.zhmag.com/

Business Type: Samarium Cobalt Magnet Manufacturer

5. Innuovo

Established: 2003

Location: Zhejiang, China

Products

• NdFeB Magnets
• SmCo Magnets
• AlNiCo Magnets
• Ferrite Magnets

Profile: Innuovo magnet manufacturer is a professional enterprise founded in 2003 and headquartered in Zhejiang Province, China. As one of the leading SmCo magnet producers in China, Innuovo is committed to providing high-performance SmCo magnet solutions to customers around the world.

With years of industry experience and technical accumulation, the company has established a solid market position in China and around the world. Innuovo's production base is located in Zhejiang, China. Relying on China's vast manufacturing resources and perfect industrial chain, the company is able to efficiently produce SmCo magnets of various specifications.This enables Innuovo to better meet the needs of domestic and global customers in China. As one of the leading magnet manufacturers in China, Innuovo fully utilizes China's technological advantages and production capabilities in the field of magnetic materials to ensure that its products are of world-class standards.

website: https://www.innuovo-mag.com/

Business Type: Samarium Cobalt Magnet Manufacturer

6. Galaxy Magnets

Established: 1993

Location: Chengdu, China

Products

• Ndfeb Magnets
• Smco Magnets
• Alnico Magnets
• Ferrite Magnets

Profile: Founded in 1993, Galaxy Magnets has become one of the most respected manufacturers of samarium cobalt magnets in China. Located in Chengdu, the capital of Sichuan Province, Galaxy Magnets is renowned for producing high-quality rare earth magnets that are vital in a variety of applications, from electronics and automobiles to energy and industrial equipment. Since its founding, Galaxy Magnets has been committed to improving its technology and production capabilities for samarium cobalt magnets. 

From its early days, Galaxy Magnets has been dedicated to advancing its technology and production capabilities in the field of samarium cobalt magnets. These magnets, known for their high temperature stability, exceptional corrosion resistance, and strong magnetic energy, are essential in applications where reliability and performance are critical. Their use spans demanding environments, such as in motors, sensors, actuators, and power generation equipment, where extreme conditions require magnets that can withstand high temperatures and harsh operational environments.

With a strong commitment to sustainability, research and development, and customer satisfaction, Galaxy Magnets continues to lead the charge in producing high-performance magnets that meet the evolving needs of the modern manufacturing landscape.

website: https://en.galaxymagnets.com/

Business Type: Samarium Cobalt Magnet Manufacturer

7. Antai Technology

Established: 1998

Location: Beijing, China

Products

• Ndfeb Magnets
• Smco Magnets
• Ferrite Magnets
• Sintered Ndfeb Magnets

Profile: Antai Technology is a leading rare earth manufacturer headquartered in Beijing, China, founded in 1998. Since its establishment, Antai has made certain achievements in the research and development, production and sales of advanced processed rare earths, especially in the field of samarium cobalt rare earths. As an important player in China's samarium cobalt ore industry, Antai Technology has made remarkable achievements. Antai Technology's samarium cobalt ore products have shown good exemplary performance in both the Chinese market and the global market.

Since its listing in 2000, the company has been adhering to the development concept of "innovation, quality, and service", and has gradually upgraded its production capacity and technical level to samarium cobalt magnets as an important rare earth permanent magnet material, widely evaluated in motors, audio, sensors, automobiles, aviation and other industries, and Antai is one of the important suppliers in these industries. In China, Antai has ensured the competitiveness of its samarium cobalt ore products in the first market with its strong R&D and advanced production equipment.

As a leader in China's samarium cobalt ore industry, Antai has always been at the forefront in product quality, production process and technological innovation. Through continuous technological innovation and product optimization, Antai has established an extensive customer network around the world, especially in high-end application fields such as new energy vehicles and precision instruments, where Antai's samarium cobalt magnets play a vital role.

website: https://www.antai-emarketing.com/

Business Type: Samarium Cobalt Magnet Manufacturer

8. Earth-Panda

Established: 2003

Location: Anhui,China

Products

• Ndfeb Magnets
• Smco Magnets
• Alnico Magnets
• Ferrite Magnets

Profile: Earth-Panda is a magnet manufacturer located in China, founded in 2003. As a local Chinese enterprise, Earth-Panda has established advanced production facilities in China equipped with industry-leading technology and equipment. The company has always adhered to the concept of "quality first, customer first", and has improved the production efficiency and product quality of samarium cobalt magnets by continuously optimizing the production process. In addition, Earth-Panda's R&D team has also continuously promoted the advancement of samarium cobalt magnet technology.

Earth-Panda rare earth ore manufacturer has been in a leading position in China's rare earth industry since its establishment in 2003. With its excellent samarium cobalt ore products and strong technology, Earth-Panda has not only made a significant impact in the Chinese market, but also achieved success in the international market. In the future, Earth-Panda will continue to be committed to promoting samarium cobalt

website: https://www.earth-panda.de/

Business Type: Samarium Cobalt Magnet Manufacturer

9. Ningbo Magnetics Factory

Established: 1988

Location: Ningbo, China

Products

• NdFeB-Magnete
• Alnico-Magnete
• Ferrit-Magnete
• Samarium-Kobalt-Magnete

Profile: Ningbo Magnetic Factory is a professional magnet manufacturer located in Ningbo, Zhejiang Province, China. It was established in 1988 and is famous for producing high-quality samarium cobalt magnets. As one of the leading samarium cobalt magnet producers in China, Ningbo Magnetic Factory is committed to providing various types of samarium cobalt magnets to global customers. Ningbo Magnetic Factory is not only a samarium cobalt magnet manufacturer in China, but also a representative of technological innovation and quality control. The company has a deep accumulation in China's manufacturing industry, with first-class production equipment and a strict quality management system to ensure that each batch of products can meet international standards. Its production process involves a number of advanced technologies. From the selection of raw materials to the processing and testing of magnets, Ningbo Magnetic Factory always maintains high efficiency and high precision to ensure that each magnet has excellent performance.

website: https://www.ningbomagnetics.com/

Business Type: Samarium Cobalt Magnet Manufacturer

10. Jiangmen Magsource

Established: 1975 

Location: Jiangmen, China

Products

• Bonded Ndfeb Magnets
• Hard Ferrite Magnets
• Rubber Ferrite Magnets
• Injection Molded Magnets
• Smco Magnets

Profile: Jiangmen Magsource magnet manufacturer was established in China and has many years of production experience. The company is located in Jiangmen, Guangdong, which is an important manufacturing base for China's magnet industry. China's samarium cobalt magnet market has continued to grow in the past few years, and Magsource has continuously improved its technical capabilities and production efficiency in this process, becoming a leader in China's samarium cobalt magnet manufacturing. As a representative of China's samarium cobalt ore manufacturers, Magsource adheres to high standards of production to ensure that every piece of ore meets international quality standards and has passed mining certifications, including ISO 9001. The company is also continuing to invest in research and development to improve the performance of cobalt magnets and ensure their competitiveness in the international market.

website: https://www.jpmfmagnet.com/

Business Type: Samarium Cobalt Magnet Manufacturer

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How to Choose a Reliable China SmCo Magnet Manufacturer?

Selecting a reliable Chinese samarium cobalt (SmCo) magnet manufacturer requires a comprehensive evaluation of multiple factors to ensure product quality, supply stability, and long-term partnership reliability. Below are detailed recommendations based on the provided blog content and general industry experience:

1. Evaluate Manufacturer Qualifications and Certifications

• Check Certifications: Ensure the manufacturer has international quality management certifications, such as ISO 9001, ISO/TS 16949 (for the automotive industry), or ISO 14001 (environmental standards). For example, Jiangmen Magnetic Source is explicitly mentioned as having ISO 9001 certification, which is a reliable indicator.
• Industry Credentials: Confirm whether the manufacturer holds specific qualifications or patents related to samarium cobalt magnet production.
• Compliance: Verify that the supplier complies with international trade regulations and environmental requirements, especially given the strict regulations surrounding rare earth material production.

2. Assess Production Capacity and Technical Expertise

• Production Facilities: Choose manufacturers with advanced production equipment and modern production lines. For instance, Upsun and Ningbo Yunsheng emphasize the use of advanced equipment and strict quality control systems, indicating strong production capabilities.
• R&D Strength: Prioritize manufacturers with significant R&D investment, such as JL MAG and Antai Technology, which can provide customized solutions.
• Product Range: Confirm whether the manufacturer can offer a diverse range of samarium cobalt magnets (e.g., different sizes, shapes, and performance grades) to meet specific application needs.

3. Product Quality and Performance

• Magnetic Performance: Samarium cobalt magnets are known for their high-temperature stability and magnetic energy product. Check if the manufacturer provides detailed performance parameters (e.g., maximum energy product, temperature resistance, corrosion resistance) and request samples for testing.
• Quality Control: Understand the manufacturer’s quality control processes, such as raw material screening and finished product testing. The blog highlights ZHmag and Earth-Panda as excelling in quality control.
• Customer Feedback: Review feedback or case studies from domestic and international clients to gauge the product’s performance in real-world applications.

4. Price and Cost-Effectiveness

• Transparent Pricing: Select manufacturers that provide clear quotations, ensuring prices align with quality. The blog mentions “Get a Quote Now” for each company, suggesting direct contact for the latest pricing.
• Long-Term Discounts: Ask about bulk discounts or incentives for long-term partnerships, especially for regular purchases.
• Avoid Low-Price Traps: Be cautious of excessively low prices, which may indicate compromised quality.

5. Customer Service and Communication

• Response Speed: Choose manufacturers that respond quickly to inquiries and provide technical support. Websites like Upsun’s (https://www.upsunmagnet.com/) typically provide contact details; test their response efficiency.
• Customization Capabilities: Confirm whether the manufacturer can customize magnet specifications, such as shape, size, or specific performance requirements.
• Language Support: For international procurement, ensure the manufacturer offers communication in English or other languages to minimize communication barriers.

6. Recommendations from the Blog

Based on the provided blog Subtitle: Top Samarium Cobalt Magnet Manufacturers in China, the following manufacturers are particularly noteworthy:

• Upsun: Established in 2022 but rapidly growing, with a focus on R&D and customization, ideal for clients seeking innovative solutions.
• JL MAG: Established in 2008, specializing in high-performance magnets, suitable for electric vehicles and wind power industries.
• Ningbo Yunsheng: Established in 1995, with a strategic location and strong logistics support, ideal for large-volume procurement.

How to Purchase SmCo Magnets from China Manufacturers

1. Research Suppliers
   • Use platforms like Alibaba or Made-in-China to find reliable suppliers with good reviews and ISO certifications.
   • Attend trade shows or connect via B2B networks for more direct interactions.
2. Check Product Specifications
   • Define your magnet requirements, including size, grade, strength, and coating.
   • Ensure the supplier offers customization options if needed.
3. Request Samples
   • Ask for samples to test the quality and performance before committing to a large order.
4. Compare Prices and Terms
   • Get quotes from multiple suppliers, considering price, lead time, and payment terms.
   • Compare not just cost, but also value and quality.
5. Verify Manufacturing Capacity
   • Confirm the supplier can meet your order volume and production timeline.
   • Check their quality control processes to ensure consistent production.
6. Negotiate Terms
   • Discuss price, MOQ, delivery schedule, and payment terms.
   • Agree on warranties and after-sales support.
7. Place Your Order
   • Once all details are agreed upon, place the order and confirm production and shipping details.
8. Quality Control
   • Perform quality checks before shipment or hire a third-party inspection service to verify standards.
9. Shipping and Customs
   • Arrange shipping and confirm necessary customs documentation.
   • Work with a reliable freight forwarder to handle logistics and duties.
10. Inspect Upon Arrival
    • Upon delivery, inspect the shipment for damage or defects and ensure it matches your order.
    • Contact the supplier for any discrepancies and provide feedback for future improvements.

By following these steps, you can ensure a smooth purchasing process and secure high-quality SmCo magnets from trustworthy Chinese manufacturers.

Price of SmCo Magnet in China

The price of SmCo magnets in China varies based on factors like grade, size, quantity, and coatings. Here's a general price range:

Price Range:

• Small Size, Low Volume: $50 - $150 per kilogram
• Medium Size, Moderate Volume: $30 - $80 per kilogram
• Large Size, Bulk Purchase: $20 - $50 per kilogram

Factors Affecting Price:

• Grade: Higher-grade SmCo magnets (e.g., Sm2Co17) cost more.
• Quantity: Larger orders usually offer lower prices per unit.
• Coatings: Extra coatings like nickel or gold add to the price.
• Manufacturing Complexity: Custom shapes or precise specifications increase costs.

Additional Costs:

• Shipping & Customs: Can add significantly to the final cost.
• MOQ: Suppliers often require a minimum order quantity.

For accurate pricing, it's best to request quotes from suppliers directly. Would you like help finding specific manufacturers or checking prices?

Comparison of Chinese and American Samarium Cobalt Magnet Manufacturers

This table compares Chinese and American Samarium Cobalt (SmCo) magnet manufacturers across various criteria. Chinese manufacturers offer cost-effectiveness and large-scale production, while American manufacturers excel in quality, innovation, and customer service.

FAQ

1. What is the difference between SmCo magnets and other permanent magnetic materials such as NdFeB magnets?

Compared with NdFeB magnets, SmCo magnets have higher resistance to high temperatures and stronger resistance to demagnetization. Although NdFeB magnets have advantages in magnetic energy product and cost, they will demagnetize in high temperature environments. Therefore, SmCo magnets are often used in applications in high temperatures and harsh environments. NdFeB magnets are more suitable for large-scale, low-temperature applications.

2. What is the production capacity of samarium cobalt magnets in China?

China is one of the world's largest producers of samarium cobalt magnets. With the abundance of rare earth resources and technological advances, China's samarium cobalt magnet production has reached the world's leading level, and output continues to grow. Many domestic companies provide high-quality samarium cobalt magnets to meet the needs of domestic and foreign markets.

3. What is the quality of samarium cobalt magnets produced in China?

The quality of samarium cobalt magnets produced in China is generally high, and many manufacturers use advanced production technology and strict quality control standards to ensure the performance and stability of the magnets. In addition, the price of Chinese samarium cobalt magnets is relatively competitive, which gives them a certain advantage in the global market.

4. How is the price trend of samarium cobalt magnets in China?

The price of samarium cobalt magnets is affected by the market price fluctuations of rare earth metals (such as samarium and cobalt). In recent years, due to the increase in global demand for rare earths, the price of samarium cobalt magnets has been on the rise. However, as an important country in the global supply of rare earths, China still maintains great competitiveness in price.

5. What are the main application fields of Chinese samarium cobalt magnets?

Samarium cobalt magnets are mainly used in high-performance motors, generators, sensors, medical equipment (such as MRI equipment), acoustic equipment and other high-tech fields. Due to their excellent high temperature resistance and anti-demagnetization ability, they are widely used in aerospace, automotive motors and high-efficiency permanent magnet motors.

These questions and answers can help you better understand the basic information and market dynamics of Chinese samarium cobalt magnets. If you have more specific questions, please continue to ask!

Conclusion

Choosing the right SmCo magnet supplier is not just about finding a company that delivers on time; it’s about finding a partner that you can collaborate with for the long term and grow together. In today’s highly competitive global market, a supplier that offers consistent quality, timely response, and innovation is key to success in every industry.

If you're looking for a reliable partner, we believe UPSUN could be your top choice. As a professional SmCo magnet manufacturer, UPSUN provides customized solutions to meet your unique needs. Our team not only has advanced technical expertise but can also offer the best magnetic material selection based on different application scenarios. Want to learn more about our products and services? Contact us now and start collaborating with UPSUN — the future looks bright!

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