潍柴重机跌2.02%，成交额3.66亿元，主力资金净流出3777.98万元

Core Viewpoint - The stock of Weichai Heavy Machinery has experienced significant fluctuations, with a year-to-date increase of 198.36% but a recent decline of 4.12% over the past five trading days [1] Company Overview - Weichai Heavy Machinery, established on June 28, 1993, and listed on April 2, 1998, is located in Weifang, Shandong Province. The company specializes in the development, manufacturing, and sales of marine power and power generation equipment, including engines ranging from 30 to 12,000 horsepower and integrated power solutions [2] - The revenue composition of Weichai Heavy Machinery includes 51.61% from power generation units, 33.89% from engines, 7.28% from aftermarket and others, and 7.23% from parts and processing services [2] - The company is classified under the automotive industry, specifically in the automotive parts sector, focusing on chassis and engine systems [2] Financial Performance - For the first half of 2025, Weichai Heavy Machinery reported a revenue of 2.746 billion yuan, reflecting a year-on-year growth of 43.91%. The net profit attributable to shareholders was 144 million yuan, marking a 52.62% increase compared to the previous year [2] - The company has distributed a total of 356 million yuan in dividends since its A-share listing, with 176 million yuan distributed over the past three years [3] Shareholder Structure - As of June 30, 2025, the number of shareholders for Weichai Heavy Machinery was 38,200, a decrease of 17.91% from the previous period. The average number of circulating shares per shareholder increased by 21.81% to 4,249 shares [2] - The top five circulating shareholders include various mutual funds, with notable increases in holdings for some, such as Yongying Ruixin Mixed A and Guangfa Innovation Upgrade Mixed [3]