Changsha is the capital of construction machinery in China, with a strong industrial foundation and a perfect industrial chain. Changsha is one of the most important research and development, manufacturing and export bases of Chinese construction machinery. The product category covers various construction machinery such as pump trucks, excavators, loaders, cranes, and rollers. Changsha's construction machinery industry chain is perfect, with a complete industrial chain from raw materials, parts to complete machines, and Changsha construction machinery has strong technological innovation ability.