Core Viewpoint - WanTong Hydraulic (920839.BJ) experienced a significant decline in stock price, closing at 53.21 yuan with a drop of 9.66%, resulting in a total market capitalization of 6.343 billion yuan [1]. Group 1: Company Performance - Dongwu Securities published a research report highlighting the growth potential of oil and gas springs, indicating significant overseas market performance and promising military-civilian dual-use business prospects [1]. - The report revised the projected net profit for WanTong Hydraulic for the years 2025 to 2027 to 151 million, 193 million, and 242 million yuan respectively, up from previous estimates of 137 million, 170 million, and 193 million yuan [1]. - The corresponding price-to-earnings (PE) ratios for these projections are set at 38, 30, and 24 times [1]. Group 2: Investment Rating - Dongwu Securities maintains a "Buy" rating for WanTong Hydraulic, reflecting confidence in the company's growth trajectory and market potential [1].