凯美特气涨2.03%，成交额12.74亿元，主力资金净流入494.46万元

Group 1 - The core viewpoint of the news is that Hunan Kaimete Gas Co., Ltd. has shown significant stock price performance and financial growth in recent months, with a notable increase in market capitalization and trading activity [1][2]. - As of September 30, Kaimete Gas's stock price increased by 294.45% year-to-date, with a market capitalization of 16.814 billion yuan and a trading volume of 1.274 billion yuan [1]. - The company has been actively featured on the trading leaderboard, appearing 23 times this year, with the most recent net buy of -162 million yuan on September 26 [1]. Group 2 - Kaimete Gas, established on June 11, 1991, and listed on February 18, 2011, specializes in the research, production, and sales of industrial gases, including carbon dioxide and hydrogen, with a revenue composition of 33.46% hydrogen, 31.72% carbon dioxide, and 28.50% fuel products [2]. - As of June 30, 2025, Kaimete Gas reported a revenue of 310 million yuan, reflecting a year-on-year growth of 10.52%, and a net profit of 55.846 million yuan, marking a substantial increase of 199.82% [2]. - The company has distributed a total of 321 million yuan in dividends since its A-share listing, with no dividends paid in the last three years [3].