In July 2016, winner of "China National Funds for Distinguished Young Scientists", and one of "Hundred Talents", researcher Zhang Suobo from Changchun Institute of Applied Chemistry Chinese visited Yichen. The Chairman of the Board and chief technology officer Professor Lei Yinlin and others extended a warm welcome to the arrival of researcher Zhang Suobo. The two sides exchanged views in depth on the preparation method and application of homogeneous ion-exchange membranes and single-sheet bipolar membranes. Researcher Zhang Suobo showed full appreciation for Yichen’s technology and its future development prospect, and pointed out that the homogeneous membranes produced by Yichen have a much better cost-performance than heterogeneous, even homogeneous membranes on the market; and that its single-sheet bipolar membranes have reached internationally advanced level and broken foreign monopoly.