As a global leader in silicon carbide substrates, SICC (688234.SH) has achieved a historic breakthrough in the global wide-bandgap semiconductor materials sector. According to the latest statistics from Fuji Keizai, a renowned Japanese research institution, SICC ranked first worldwide in both global SiC substrate market share and the market share of 6-inch and 8-inch products in 2025. This solidifies SICC's absolute leading position in the industry.
SICC ranks 1st globally in SiC substrate material market share
According to the report by Fuji Keizai, SICC’s global market share in the N-type SiC substrates rose sharply in 2025, surging from 12% in 2023 to 27.6% and surpassing Wolfspeed. For the first time, a Chinese SiC substrate manufacturer has claimed the world’s No.1 position.
The report noted: “Benefiting from widespread adoption in the Chinese and European markets, the company has steadily expanded its business footprint in 6-inch and 8-inch substrates， and currently ranks first in volume share. Having pioneered the successful development of 12-inch substrates ahead of the industry, and leveraging technologies such as low-resistivity substrates and non-destructive defect inspection, SICC has built differentiated advantages in high quality, large-size manufacturing, technical support, and customer service, thereby continuing to lead market development.”
This achievement reflects SICC’s long-term commitment to technology-driven development and its strong emphasis on customer service.
2025 Global Market Share of SiC Substrates
With over 50% market share in 8-inch substrates, SICC solidifies its decisive leadership
According to the report, in 2025, SICC's global market share of 6-inch products reached 27.5%, surpassing Wolfspeed for the first time. Even more notably, the company achieved a breakthrough in the 8-inch SiC substrate market, capturing a market share of 51.3%, far exceeding other competitors.
As the world’s first company capable of large-scale supply of 8-inch N-type SiC substrates, SICC has established 8-inch products as its core growth engine. While ensuring stable delivery to support customers’ production and R&D, the company has taken the industry lead in batch delivery of 350-micron-thick products. Additionally, SICC has launched new products such as facet-free substrates (with more uniform in-plane resistivity distribution) and low-resistivity substrates, developed innovative technologies like non-destructive dislocation inspection and sub-surface damage monitoring. Through continuous innovation and product enhancement, SICC helps customers improve their own product competitiveness with SICC's products and drives industry development through technology. This has firmly established the company's leading position in the industry.
2025 Global Market Share of 8-inch SiC Substrates
Large-scale supply of high-quality 8-inch products
At present, SICC has achieved large-scale supply of high-quality 8-inch SiC substrates, with product stability and consistency recognized by leading international customers. The company has established partnerships with most of the world's top ten power semiconductor device manufacturers, including internationally renowned companies such as Infineon and Bosch. In 2025, SICC received the Bosch Group's Excellence Supplier Award, becoming the preferred choice of leading international power semiconductor manufacturers.
In the rapidly evolving market landscape, the stable supply of high-quality substrate materials has become a core requirement for device manufacturers to secure their market position. With over a decade of dedicated focus on SiC substrate materials, SICC possesses strong technical capabilities and deep understanding of crystals. Leveraging its multidimensional technical expertise spanning from R&D to characterization, as well as its long-standing market experience, SICC serves as a powerful enabler for customers' market development and technology implementation.
2025 Global Market Share of 6-inch and 8-inch SiC Substrates
12-inch Product Deliveries
Furthermore, SICC maintains an absolute leading position in large-size substrate development. Since launching the world’s first 12 inch SiC substrate in 2024, the company has successively unveiled a full lineup of 12 inch SiC products, including P type and optical-grade variants. At present, SICC has realized volume supply of 12 inch products to key customers, completing capacity and technological preparations for the upcoming wave of market growth.
In the optical field, the high transmittance, refractive index, and excellent thermal conductivity of SiC materials are increasingly demonstrating their advantages in AR waveguide products, helping to solve numerous technical challenges that break through the physical limits of traditional materials. SICC's breakthroughs at the material level have laid a critical foundation for the advancement of the industry.
12-inch SiC Substrates Have Promising Applications in Optics and Advanced Packaging
Hardcore Technologies Lead the Way Across Industry Opportunities
As AI technology ignites a new round of energy revolution, emerging sectors including green energy, data center energy management, humanoid robots, and AR glasses are presenting tremendous industry opportunities. The application of silicon carbide substrate materials in electric vehicles has laid a solid foundation for accelerating their adoption in the aforementioned fields.
In this process, relying on its strong technical capabilities and focus, SICC has continuously addressed key industry pain points such as small wafer sizes, high defect density, limited production capacity, and high costs. Over more than a decade of development, the company has conducted in-depth cooperation with global industry leaders and developed a systematic solution covering the end-to-end journey of SiC materials from R&D to industrial application.
Facing future market opportunities, SICC will fully leverage its industry-leading advantages and experience to support the industrialization of new technologies from product, technology, and service perspectives. Amid the rapidly evolving wave of industry opportunities, SICC will continue to lead the development of the sector.
SiC substrate materials will usher in a new era of integrated development,
combining acoustics, optics, electricity, thermal management, and artificial intelligence
