大连重工：公司主要从事物料搬运设备、冶金设备等领域的大型成套设备及核心零部件的开发、研制和销售

Core Viewpoint - Dalian Heavy Industry (002204) is a major state-owned enterprise in the heavy machinery sector, focusing on the development, research, and sales of large complete equipment and core components across various industries [1] Group 1: Company Overview - The company primarily engages in material handling equipment, metallurgical equipment, new energy equipment, transmission and control systems, and marine equipment, particularly large marine crankshafts [1] - Dalian Heavy Industry provides large high-end equipment and full lifecycle intelligent service solutions for foundational industries in the national economy, including metallurgy, ports, energy, mining, engineering, transportation, shipbuilding, and environmental protection [1]