Half a year after the implementation of the new sole director regulations, the act of sole directors of listed companies in carrying out their duties with due diligence is becoming more and more strict and practical. Recently, companies such as ST Startup and *ST Huichen have actively and actively carried out their duties, taken measures on important company matters, continuously protected the overall interests of listed companies through practical actions, and effectively protected the legitimate rights and interests of small and medium-sized investors. (Shanghai Securities Report)