石大胜华涨2.21%，成交额2.46亿元，主力资金净流出1069.49万元

Group 1 - The core viewpoint of the news is that Shida Shenghua has shown significant stock price growth and trading activity, with a year-to-date increase of 69.31% and a recent 5-day increase of 9.66% [1] - As of October 20, the stock price reached 59.26 CNY per share, with a total market capitalization of 13.79 billion CNY [1] - The company has a diverse revenue structure, with the main business income composition being 41.85% from dimethyl carbonate series, 25.70% from other product series, 18.39% from MTBE series, and 12.51% from trading products [1] Group 2 - Shida Shenghua operates in the electric equipment industry, specifically in battery and battery chemicals, and is involved in sectors such as fluorine chemicals, fuel cells, lithium batteries, and new materials [2] - For the first half of 2025, the company reported a revenue of 3.01 billion CNY, reflecting a year-on-year growth of 14.87%, while the net profit attributable to the parent company was -56.34 million CNY, a decrease of 248.03% [2] - The number of shareholders as of June 30 was 37,300, a decrease of 6.92% from the previous period, with an average of 5,437 circulating shares per person, an increase of 7.43% [2] Group 3 - Since its A-share listing, Shida Shenghua has distributed a total of 636 million CNY in dividends, with 68.91 million CNY distributed over the past three years [3]