Hunan Tianyi High-Tech Materials Manufacturing Co., Ltd., founded in 2001 and based in Loudi city, Hunan province, specializes in the research and development innovation of advanced superhard materials and high-performance ceramics. forming a diversified product matrix covering cemented carbide and superalloys, and high-performance ceramic materials. We mainly sells advanced materials such as tungsten carbide roller rings, tungsten carbide rods, cutting tools, superalloy composite heating plates