On May 30th, YIJIAHE announced that the board of directors received a resignation letter from Vice Chairman Jiang Jie. Jiang Jie applied to resign from the position of director of the company's fourth board of directors due to personal work adjustments, and also resigned from the position of member of the board's strategic committee. After resigning, Jiang Jie will focus on the management affairs in the field of rail transit and continue to serve as the director and general manager of the company's holding subsidiary, Jiangsu Ninghe Intelligent Transportation Technology Co., Ltd