As a national high-tech enterprise, the R&D Department of the company establishes material morphology analysis room, sample room, component analysis room and physical and chemical analysis room. At the same time, it gathers top talents and technical forces from Sichuan University, Zhejiang University, Southwest University of Science and Technology and other universities to build high-level subjects. Research team. In-depth participation in major national science and technology research projects and provincial science and technology achievements transformation projects, the establishment of a production-university-research cooperation platform, in the field of filling materials and functional composite materials, more than 200 patented technologies, Yixin as the second drafter of the "refined calcite powder" was approved as a national standard.