On March 28, Ningbo Menovo Pharmaceutical Co.Ltd(603538) issued a stock price change announcement: the company’s intermediate and API expansion project is still in the preparatory stage, and there is still uncertainty whether the construction can be completed on schedule and reach production. Among them, the API is still in the laboratory research and development stage and has not been authorized; Non exclusive production of intermediate products, full market competition; The required key raw materials need to be purchased externally. At present, the company has not carried out commercial cooperation with yanyeyi Pharmaceutical Co., Ltd. and domestic covid-19 specific drug manufacturers targeting RdRp, and the relevant intermediate products have not formed mass production.