会通股份：同安基金拟减持公司股份不超过约550万股

Group 1 - The core point of the article is that Wintone Materials Co., Ltd. announced a plan for a shareholder to reduce its stake in the company by up to 550,000 shares, which represents no more than 1% of the total share capital [1] - As of the announcement date, the shareholder, Anqing Tong'an Industrial Investment Fund, holds approximately 29.47 million shares, accounting for 5.36% of the company's total share capital [1] - The revenue composition for Wintone Materials in 2024 is projected to be 97.67% from the chemical industry and 2.33% from other businesses [1] Group 2 - The current market capitalization of Wintone Materials is 6.5 billion yuan [1]