Empty container stacker is the key equipment of container transportation, which is widely used in the stacking and transferring of empty containers in ports, docks, railway and highway transit stations and storage yards. It has the characteristics of high stacking layers, fast stacking and handling speed, high operating efficiency, flexibility and space saving. There are empty container stackers on the market with a lifting height of up to 20m, stacking 9 layers and a gantry height of 13m. Container stacker flexible, reliable performance, can be multi-purpose, can do horizontal transportation, but also do yard stacking, loading and unloading, unpacking operations, low cost, easy to use and maintain.