Tianyu Semiconductor specializes in the design, research, development, manufacturing, and marketing of silicon carbide (SiC) epitaxial wafers, which are crucial materials for power semiconductors. Its products, including 4-inch, 6-inch, and 8-inch SiC epitaxial wafers, are used in new energy vehicles, rail transit, smart grids, and industrial power. The company was incorporated in 2009 and is headquartered in Dongguan, China.