Core Viewpoint - Ruifengtai (688323.SH) is in the early stages of research and development in the PSPI direction, indicating potential future growth opportunities in this area [1] Company Summary - The company has expressed its focus on the PSPI direction in its research and development efforts, although it is still in the initial stages [1] - Investors are advised to approach investments with caution and to be aware of potential risks associated with the company's early-stage R&D activities [1]