The movable shelf only needs one channel, which is very high in space utilization, safe and reliable, and convenient to move. According to the load, it can be divided into three types: heavy, medium and light. Generally, heavy-duty shelves are electrically controlled and easy to move, while light and medium-sized shelves are generally manually moved. Product features: it is suitable for warehouses with many kinds of inventory but low frequency of entry and exit, or warehouses with high inventory frequency but can enter and exit in roadway order. Usually only one working channel is needed, which can greatly improve the utilization rate of warehouse area, so it is widely used in warehouses in media, library, finance, food and other industries.