Core Viewpoint - Yongda Co., Ltd. experienced a slight decline in stock price, closing at 17.25 yuan on August 13, with a trading volume of 50,010 hands and a transaction amount of 86 million yuan [1] Company Overview - Yongda Co., Ltd. specializes in the research and manufacturing of tunnel excavation equipment and metal structural components for engineering machinery [1] - The company's products are widely used in infrastructure construction fields such as rail transit and hydropower [1] - As a core supplier for China Railway Construction Heavy Industry Co., Ltd., Yongda provides critical components like shield bodies and cutter heads [1] Market Position and Opportunities - The company has stated its capability to supply metal structural components for mainstream shield machines in the domestic market [1] - Although not directly involved in the Yarlung Tsangpo River hydropower project, the company believes that the construction of this project will stimulate demand for related equipment [1] - Yongda clarified that it currently has no business dealings with Shanhe Intelligent [1]