Guangdong Tianyu Semiconductor Co., Ltd., through its subsidiaries, engages in the design, research and development, manufacturing, and marketing of semiconductor materials and silicon carbide (SiC) epitaxial wafers in Chinese Mainland, Hong Kong, and South Korea. Its products include 4-inch, 6-inch, and 8-inch SiC epitaxial wafers. The company value-added SiC epitaxial wafer related services, including offers SiC epitaxial foundry service, epitaxial wafer cleaning service, and SiC related inspection services. In addition, its products are used in downstream sectors such as electric vehicles, power supply, rail transportation, photovoltaics, energy storage and smart grids. Further, the company is involved in inspection and sale of devices. The company was formerly known as Dongguan Tianyu Semiconductor Technology Co., Ltd. Guangdong Tianyu Semiconductor Co., Ltd. was incorporated in 2009 and is based in Dongguan, China.