The Global Samarium(III) Oxide Market was valued at USD 11.93 Million in 2025 and is projected to reach USD 17.32 Million by 2034, growing at a Compound Annual Growth Rate (CAGR) of 5.5% during the forecast period (2024–2034). This growth is being driven by increasing demand for high-performance magnets, advancements in catalysis, and the expanding use of the material in ceramics, glass, and emerging technologies like quantum computing.

As industries worldwide push for greater efficiency and technological sophistication, the spotlight is on the key suppliers who control the production and distribution of this critical rare earth oxide. In this blog, we profile the Top 10 Companies in the Samarium(III) Oxide Industry—a mix of mining giants, specialized processors, and international traders shaping the supply chain for this essential material.

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🔟 1. China Rare Earth Group

Headquarters: Beijing, China
Key Offering: High-purity Samarium(III) Oxide, Rare Earth Concentrates

Formed through the consolidation of several major state-owned enterprises, China Rare Earth Group is the undisputed global leader in the Samarium(III) Oxide market. The company controls a significant portion of China’s rare earth mining quotas and separation capacity, giving it unparalleled influence over global supply and pricing. It supplies high-purity oxides to a vast network of domestic and international customers.

Strategic Initiatives:

• Consolidating domestic rare earth resources to enhance supply chain control

• Investing in advanced separation technologies to improve product purity and yield

• Focusing on developing value-added downstream applications for samarium

Download FREE Sample Report: Samarium(III) Oxide Market – View in Detailed Research Report

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9️⃣ 2. Shenghe Resources Holding Co., Ltd.

Headquarters: Chengdu, Sichuan, China
Key Offering: Samarium Oxide, Rare Earth Oxides, Strategic Sourcing

Shenghe Resources is a major player with a strong focus on the global rare earth supply chain. While it has its own processing capabilities, it is also renowned for its strategic investments in rare earth projects outside of China, including partnerships in Greenland and the United States. This positions the company as a key intermediary between global mineral resources and the Chinese market.

Strategic Initiatives:

• Securing upstream resources through international joint ventures

• Expanding capacity for separating medium and heavy rare earth elements

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8️⃣ 3. China Northern Rare Earth (Group) High-Tech Co., Ltd.

Headquarters: Baotou, Inner Mongolia, China
Key Offering: Light Rare Earths including Samarium Oxide

As one of China’s largest rare earth producers, China Northern Rare Earth specializes in light rare earth elements extracted from the massive Bayan Obo mine. The company is a primary source of samarium, which is a byproduct of its dominant cerium and lanthanum production. Its scale provides a consistent and cost-competitive supply to the market.

Strategic Initiatives:

• Optimizing production processes to increase recovery rates of valuable byproducts like samarium

• Investing in environmental protection technologies to meet stringent regulations

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7️⃣ 4. Grirem Advanced Materials Co., Ltd.

Headquarters: Beijing, China
Key Offering: High-Purity Samarium Oxide, Custom Rare Earth Formulations

Grirem Advanced Materials distinguishes itself by focusing on high-purity and value-added rare earth products. The company caters to sophisticated end-markets that require ultra-pure materials, such as the electronics, optics, and advanced ceramics industries. Its technical expertise allows it to produce specialized Samarium(III) Oxide grades tailored to specific customer applications.

Strategic Initiatives:

• Developing niche, high-margin products for advanced technological applications

• Strong R&D focus on purification techniques and new material formulations

Download FREE Sample Report: Samarium(III) Oxide Market – View in Detailed Research Report

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6️⃣ 5. Mitsui Mining & Smelting Co., Ltd. (Mitsui Kinzoku)

Headquarters: Tokyo, Japan
Key Offering: Rare Earth Metals and Oxides, Advanced Materials

Mitsui Kinzoku is a leading Japanese company with a significant presence in the rare earth sector. It sources raw materials globally and processes them into high-quality metals and oxides for Japan’s high-tech manufacturing base. The company is a critical supplier of Samarium(III) Oxide to Japanese manufacturers of magnets, catalysts, and electronic components.

Strategic Initiatives:

• Diversifying supply sources to ensure stability for Japanese industry

• Developing recycling technologies for rare earth elements from end-of-life products

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5️⃣ 6. Iwatani Corporation

Headquarters: Osaka, Japan
Key Offering: Specialty Gases, Rare Earth Chemicals, Electronic Materials

Iwatani Corporation is a major trading and manufacturing company in Japan. Its electronic materials division is a key distributor and processor of rare earth compounds, including Samarium(III) Oxide. The company serves the demanding requirements of the Japanese electronics and automotive industries, ensuring a reliable flow of high-purity materials.

Strategic Initiatives:

• Leveraging its global logistics network for efficient material sourcing and distribution

• Focusing on the supply chain for materials used in energy-efficient technologies

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4️⃣ 7. Canada Rare Earth Corp.

Headquarters: Vancouver, British Columbia, Canada
Key Offering: Rare Earth Supply Chain Development, Future Oxide Production

Canada Rare Earth is an emerging player focused on building an independent rare earth supply chain outside of China. The company is engaged in project development and strategic partnerships aimed at future production of rare earth oxides, including samarium. It represents the growing global effort to diversify supply sources for critical minerals.

Strategic Initiatives:

• Developing rare earth separation and processing projects in North America

• Establishing partnerships with end-users seeking non-Chinese supply options

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3️⃣ 8. Ganzhou Qiandong Rare Earth Group Co., Ltd.

Headquarters: Ganzhou, Jiangxi, China
Key Offering: Ion-adsorption Clay Rare Earths, including Samarium Oxide

Located in the southern Chinese province of Jiangxi, Ganzhou Qiandong specializes in rare earths derived from ion-adsorption clay deposits, which are richer in valuable heavy rare earth elements. The company is a significant producer of samarium oxide within China’s southern production hub, catering to specific regional and international market demands.

Strategic Initiatives:

• Optimizing mining and extraction techniques for clay-based deposits

• Complying with increasingly strict environmental standards in the region

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2️⃣ 9. Jiangxi Ketai New Materials Co., Ltd.

Headquarters: Ganzhou, Jiangxi, China
Key Offering: Rare Earth Oxides, Metals, and Magnetic Materials

Jiangxi Ketai is an integrated rare earth company involved in separation, metal冶炼, and the production of magnetic materials. This vertical integration allows it to control quality from the oxide stage through to finished magnet products, making it an important supplier for industries reliant on samarium-cobalt magnets.

Strategic Initiatives:

• Vertical integration to capture more value from the rare earth supply chain

• Expanding production capacity for rare earth permanent magnets

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1️⃣ 10. Fujian Golden Dragon Rare-Earth Co., Ltd.

Headquarters: Longyan, Fujian, China
Key Offering: Samarium Oxide, Europium Oxide, Other Rare Earth Products

Fujian Golden Dragon is a key processor of rare earths in Southeast China. The company has established itself as a reliable supplier of various rare earth oxides, with a focus on maintaining consistent quality for its customers in the phosphor, magnet, and catalytic industries.

Strategic Initiatives:

• Maintaining a strong position in the domestic Chinese market

• Exploring export opportunities for its separated rare earth products

Get Full Report Here: Samarium(III) Oxide Market – View in Detailed Research Report

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🌍 Outlook: The Future of Samarium(III) Oxide Is Tied to Technological Advancement

The Samarium(III) Oxide market is intrinsically linked to the pace of innovation in high-technology sectors. While traditional applications in magnets and catalysts continue to drive demand, the future growth of the market hinges on its adoption in next-generation technologies.

📈 Key Trends Shaping the Market:

• Rising demand for high-purity grades (4N and above) for specialized optics and electronics

• Geopolitical push for supply chain diversification outside of China

• Increased investment in recycling technologies to create a circular economy for rare earths

• Exploration of new applications in quantum computing, spintronics, and advanced energy systems

Get Full Report Here: Samarium(III) Oxide Market – View in Detailed Research Report

The companies listed above are not only supplying a critical industrial material—they’re enabling the technological progress that defines the modern world.