According to the Zhitong Finance App, Yuancheng Co., Ltd. (603388.SH) announced that on November 27, November 28, and November 29, 2023, the daily closing price increase of the company's stock price deviated by more than 20% over three consecutive trading days, which is an abnormal fluctuation in stock trading.

According to the company's verification, Zhou Jinhai, director and senior manager of the company, changed equity in the form of bulk transactions on November 28, 2023 - 800,000 shares, with an average transaction price of 9.65 yuan.