双环传动跌2.04%，成交额5.53亿元，主力资金净流出3483.30万元

Core Viewpoint - The stock of Zhejiang Shuanghuan Transmission Co., Ltd. has experienced fluctuations, with a recent decline of 2.04% and a year-to-date increase of 20.08%, indicating volatility in market performance [1] Financial Performance - For the first half of 2025, the company reported a revenue of 4.229 billion yuan, a year-on-year decrease of 2.16%, while the net profit attributable to shareholders increased by 22.02% to 577 million yuan [2] - Cumulative cash dividends since the company's A-share listing amount to 805 million yuan, with 357 million yuan distributed over the past three years [3] Shareholder Information - As of June 30, 2025, the number of shareholders decreased by 8.62% to 55,500, while the average circulating shares per person increased by 9.55% to 13,562 shares [2] - The largest circulating shareholder is Hong Kong Central Clearing Limited, holding 152 million shares, an increase of 11.1729 million shares compared to the previous period [3] Market Activity - The stock's trading volume reached 553 million yuan with a turnover rate of 1.99%, and the total market capitalization is approximately 30.942 billion yuan [1] - The stock has seen a recent decline of 3.92% over the last five trading days, but a 6.32% increase over the last 20 days and a 15.19% increase over the last 60 days [1] Business Overview - The company specializes in the research, design, and manufacturing of mechanical transmission gears, with its main revenue sources being passenger car gears (63.11%), smart actuators (10.06%), and engineering machinery gears (8.39%) [1] - The company is classified under the automotive industry, specifically in the automotive parts sector, with involvement in various concepts such as reducers and robotics [1]