Zhitong Financial APP learned that on May 5, the Shanghai Stock Exchange criticized Ye Jinyou, a shareholder of Jiangsu Jiangnan High Fiber Co., Ltd. (Jiangnan High Fiber, 600527.SH). It has been found out that on January 25, 2022, Ye Jinyou increased his stake in the company by means of centralized bidding, accounting for 0.37% of the total number of shares in the company. After this equity change, Ye Jinyou holds 90930361 shares of the company, accounting for 5.25% of the total shares of the company. However, Ye Jinyou did not stop trading in time and disclose the report on equity changes when the shareholding reached 5%. From January 26, 2022 to February 17, 2022, Ye Jinyou continued to increase his stake in the company. As of February 17, 2022, Ye Jinyou held 109801601 shares, accounting for 6.34% of the company's total shares. In addition, Ye Jinyou also has the behavior of short-term trading. The above actions violate the relevant regulations.