The construction machinery parts category refers to the wide variety of components that make up construction machinery such as excavators, bulldozers, and cranes. These parts require high durability, wear resistance, and corrosion resistance to withstand harsh operating environments, and safety and reliability are paramount. Their primary uses are in the new manufacturing of construction machinery (OEM supply) and the maintenance, repair, and overhaul of operational machinery (aftermarket supply). Typical services include precise design and development using high-strength steel and special alloys, advanced processing technologies such as casting, forging, machining, welding, heat treatment, and surface treatment, as well as strict quality control and inspection. Establishing a global supply chain and a rapid parts supply system are also crucial factors.