拓山重工：公司目前产品主要应用于挖掘机、推土机等履带式工程机械设备的行走机构

Group 1 - The company,拓山重工, focuses on products primarily used in the walking mechanisms of tracked construction machinery such as excavators and bulldozers [1] - These machinery are widely utilized in large infrastructure projects including high-speed railways, bridge construction, and water conservancy projects [1] - The company plans to continue monitoring market demand, enhance technological research and development, and further improve its competitiveness in the high-end construction machinery sector [1]