尚纬股份：股东拟减持不超3%公司股份

Group 1 - The core point of the article is that a major shareholder of Shangwei Co., Ltd. plans to reduce their stake in the company by up to 18.6458 million shares, which represents a maximum of 3% of the total share capital [1] - The shareholder, Li Guangyuan, holds 10.98% of the company's shares and will implement the reduction through centralized bidding and block trading [1] - The reduction period is set to take place within three months after 15 trading days from the announcement date [1]