For 17 years, kaiyada has been focusing on the research and development, production and sales of new semiconductor materials such as high purity elements and high purity compounds. Based on the realization of the "high purity tellurium - tellurium compounds" industry chain, kaiada continuously develops and markets the cutting-edge materials needed. The advantages of professional talents and technology lay a solid foundation for the company's technological innovation, product development and industrial development. Up to now, kaiyada has developed more than 200 kinds of high purity materials, leading in the domestic high purity field. On average, there are 10-15 kinds of high purity materials independently developed each year, and more than 30 patents have been applied.