三未信安：中网投已减持公司股份约29万股，本次减持计划实施完毕

Group 1 - The core point of the article is that Sanwei Xinan (SH 688489) announced a share reduction by China Network Investment, which has completed the sale of approximately 290,000 shares, accounting for 0.25% of the company's total share capital as of November 28, 2025 [1] - As of the report, Sanwei Xinan's market capitalization is 5 billion yuan [1] - For the first half of 2025, the revenue composition of Sanwei Xinan is as follows: 68.82% from product and solution providers, 30.54% from end customers, and 0.65% from other businesses [1]