信测标准：股东李生平拟减持不超过约674万股

Group 1 - The core point of the article is that Shenzhen Xince Standard Technology Service Co., Ltd. announced a share reduction plan by its shareholder Li Shengping, who holds approximately 6.75 million shares, representing 2.77% of the company's total share capital [1] - Li Shengping plans to reduce his holdings by up to approximately 2.435 million shares (1% of total share capital) through centralized bidding and up to approximately 4.3041 million shares (1.77% of total share capital) through block trading within three months from December 8, 2025, to March 7, 2026 [1] - The announcement specifies that the number of shares to be reduced will be adjusted in case of any corporate actions such as dividends or stock splits, but the percentage of total share capital will remain unchanged [1] Group 2 - The article also mentions that for centralized bidding, the total number of shares reduced within any consecutive 90 days cannot exceed 1% of the company's total shares, while for block trading, it cannot exceed 2% within the same period [1]