Shangwei New Materials: The proportion of external circulating shares in the company's A-shares is about 15%, which is relatively small.

On July 25, Jin10 reported that the stock trading of Wintime Materials exhibited abnormal fluctuations and severe abnormal fluctuations. As of July 25, 2025, the company's controlling shareholder SWANCOR Samoa, the company's shareholders holding more than 5% STRATEGIC Samoa, and the company's shareholders holding more than 5% Jinfeng Ventures collectively held approximately 85% of the company's A-share stock, while the remaining external circulating shares of A-shares accounted for about 15%, which is relatively small. On July 23, 2025, July 24, 2025, and July 25, 2025, the company's stock turnover rates were 9.50%, 5.44%, and 5.60%, respectively, and the turnover rates calculated based on external circulating shares were approximately 61%, 35%, and 36%, significantly higher than the previous turnover rate levels.