Abstract
The status and development tendency of construction machinery in china in recent years will be introduced; especially the outputs and performance level of the main products such as excavator, loader, crawler crane, truck crane, road roller and rotary drilling rig. Then the application of new products from internal corporation is analyzed and the research and development tendency of homemade hydraulic components of construction machinery field are also included. This paper introduces not only the national product standards of construction machinery but also the national policies and regulations for energy saving and pollution reduction in China.