中马传动涨2.03%，成交额1.56亿元，主力资金净流入336.72万元

Group 1 - The core viewpoint of the news highlights the recent performance and financial metrics of Zhongma Transmission, including stock price movements and trading volumes [1][2] - Zhongma Transmission's stock price increased by 139.03% year-to-date, but it has seen a decline of 6.26% in the last five trading days and 4.62% in the last twenty days [1] - The company has been active on the trading leaderboard, appearing ten times this year, with the most recent appearance on September 24, where it recorded a net buy of -12.54 million yuan [1] Group 2 - Zhongma Transmission's main business involves the research, production, and sales of automotive gearboxes and vehicle gears, with revenue composition being 63.03% from automotive gearboxes, 23.34% from automotive gears, 11.53% from motorcycle gears, and 1.70% from other sources [1] - As of June 30, the number of shareholders increased by 4.55% to 35,800, while the average circulating shares per person decreased by 4.35% to 8,611 shares [2] - For the first half of 2025, Zhongma Transmission reported a revenue of 443 million yuan, a year-on-year decrease of 9.87%, and a net profit attributable to shareholders of 11.65 million yuan, down 70.34% year-on-year [2] Group 3 - Since its A-share listing, Zhongma Transmission has distributed a total of 523 million yuan in dividends, with 216 million yuan distributed over the past three years [3]