In May 2016, professor Michael Guiver, one of the “Thousand Talents”, associate editor of the famous international membrane science periodical - Journal of Membrane Science, and professor of Tianjin University, visited Yichen. Professor Michael Guiver has long been dedicated to the studying of membrane materials, and achieved a series of research results of international level. Accompanied by the general manager, chief technology officer, and other staff, Professor Michael Guiver visited the plant and finished products warehouse of Yichen, marveled that the problem of continuous production of ion-exchange membranes has been solved here, and expressed his willingness to engage in a deep cooperation with Yichen in future work and deepen the theoretical understanding of ion conduction, microstructure control, and molding.