三达膜：持股5%以上股东减持股份，权益变动触及5%整数倍

Core Viewpoint - The major shareholder, Qingyuan China, plans to reduce its stake in Sandam Membrane by selling 2.679333 million shares, representing 0.81% of the total share capital, from October 29 to November 13, 2025 [1] Group 1: Shareholder Actions - Qingyuan China's shareholding will decrease from 85.682350 million shares to 83.003017 million shares, reducing its ownership percentage from 25.81% to 25.00% [1] - The reduction in shareholding triggers a change in equity that touches a 5% integer multiple [1] - This share reduction is part of a previously announced plan and does not involve a takeover bid, nor will it lead to changes in the controlling shareholder or actual controller [1]