The whole category of cross - belt sorter is based on its transport container - cross - belt type NC It's named after the pallet car. This kind of pallet car cancels the traditional way of relying on neutral unloading and also cancels the tray tipping mechanism. Instead, a short conveyor belt with baffle plate which can run bidirectional is installed on the fixed disk surface to realize the function of accepting packages and bidirectional unloading package into the grid. It gets rid of the strict requirements of the traditional cross belt sorter on the shape of goods. The system has the advantages of excellent efficiency, accuracy, flexibility and site utilization. It is a sorting solution to achieve maximum economic effect and high reliability.