On August 21, shenzhen chengtian weiye technology (300689.SZ) announced that, as of the disclosure date of this announcement, the company has cumulatively repurchased 1,645,070 shares of the company through the special securities account for share buyback using centralized competitive trading method, accounting for 1.42% of the total shares of the company. The highest fill price was 16.82 yuan/share, and the lowest fill price was 8.74 yuan/share, with a total fill amount of 19,964,246.30 yuan (the total amount does not include trading fees). This buyback complies with the requirements of relevant laws and regulations as well as the company's established share buyback program. Since the buyback amount has reached the lower limit of the buyback amount in the current buyback plan, the board of directors has agreed to advance the expiration date of the buyback period for the company, and the buyback plan has been completed.