中触媒：关于持股5%以上股东股份质押的公告

Core Viewpoint - The announcement from Zhongchumai indicates that shareholder Liu Yan has pledged 10,380,841 shares, representing 5.89% of the company's total equity [1] Group 1 - Liu Yan directly holds 10,380,841 shares of Zhongchumai, which constitutes 5.89% of the total share capital [1] - The company has received notification from Liu Yan regarding the pledge of shares [1]