博云新材涨2.50%，成交额4.07亿元，主力资金净流入2286.03万元

Group 1 - The core viewpoint of the news is that Hunan Boyun New Materials Co., Ltd. has shown significant stock price growth and strong financial performance in recent months, indicating potential investment opportunities [1][2]. Group 2 - As of December 29, the stock price of Boyun New Materials increased by 2.50% to 12.70 CNY per share, with a total market capitalization of 7.278 billion CNY [1]. - The company has experienced a year-to-date stock price increase of 84.59%, with notable gains of 22.82% in the last five trading days, 30.39% in the last twenty days, and 53.57% in the last sixty days [1]. - The company has been featured on the "龙虎榜" (Dragon and Tiger List) five times this year, with the most recent appearance on December 26, where it recorded a net buy of -107 million CNY [1]. Group 3 - Boyun New Materials, established on August 12, 1994, and listed on September 29, 2009, specializes in the research, production, and sales of aerospace brake systems, carbon/carbon composite materials, high-performance hard alloys, and rare metal powder materials [2]. - The company's main business revenue composition includes high-performance hard alloys and related materials (63.67%), aerospace and civilian carbon/carbon composite materials (33.17%), and others (3.16%) [2]. - As of December 10, the number of shareholders increased to 64,200, with an average of 8,920 circulating shares per person [2]. Group 4 - For the period from January to September 2025, Boyun New Materials achieved an operating income of 649 million CNY, representing a year-on-year growth of 45.11%, and a net profit attributable to shareholders of 30.037 million CNY, up 278.32% year-on-year [2]. Group 5 - Since its A-share listing, Boyun New Materials has distributed a total of 12.412 million CNY in dividends, with no dividends paid in the last three years [3].