Honz Pharmaceutical Co.Ltd(300086) (300086) received a letter of concern from the Shenzhen Stock Exchange, asking to list the indications, research and development stage and listing process of the company’s product sulamin sodium for injection under research, and explain the specific basis and objectivity and authority of the company’s judgment that sulamin sodium for injection may be a potential drug for the treatment of covid-19 original strain and variant strain infection, Whether the relevant basis has an authoritative theoretical basis.