Core Viewpoint - Yongda Co., Ltd. (001239) emphasizes its role in the emerging "deep earth economy," which focuses on the development of underground spaces and resources, including geological exploration and underground engineering [1] Company Overview - Yongda Co., Ltd. specializes in the production and sales of large specialized equipment metal structural components and high-speed heavy-duty gear forgings [1] - The company serves as a core supplier for China Railway Construction Heavy Industry Co., Ltd., providing a range of metal structural products such as shield bodies, cutter heads, and segment machines [1] Industry Contribution - Yongda Co., Ltd. plays a significant role in the construction of underground engineering projects within the deep earth economy, supplying essential components for tunnel boring machines [1] - Notable projects include the ultra-large diameter tunnel boring machine "Dinghai" developed by China Railway 11th Bureau and China Railway Construction Heavy Industry, as well as the "Dream" vertical shaft tunneling machine, both of which utilize components produced by Yongda Co., Ltd. [1]
永达股份：主要业务为大型专用设备金属结构件和高速重载齿轮锻件的生产与销售