Recently, the "A kind of Escherichia coli and its application in the preparation of immune protein biologics" developed by our company's scientific researchers for several years has been successfully authorized by the State Intellectual Property Office and obtained the " Invention Patent Certificate". The successful approval of the patent is the effective practice of our company's adherence to scientific and technological innovation over the years, and has injected new impetus into the company's practice of "immune +" plant nutrition and health concept.