The R&D team includes technical courses and R&D courses. The R&D course is responsible for the research and development of new products and materials, tackling the qualification rate of trial production to mass production, formulating and changing process technology standards, and cooperating with the development of sales key customer terminals; The technical course is responsible for the production process and control technology of ferrite, the formulation of technical standards for each production process, technological innovation, product qualification rate and performance improvement.