Cross-belt Sorting System is an efficient logistics sorting system, which consists of belt conveyor trolleys, charter machines, traveling tracks, code reader, sorting tray trolleys, lagging system, etc. In addition to the high speed and sorting efficiency, it can also handle items of various specification and sizes, including fragile items and items with high friction coefficient and do sorting work on both sides at the same time. The one-side sorting efficiency generally can reach 8000-12000 pieces per hour. It has many advantages such as high efficiency, flexibility and high site utilization rate. It is a kind of sorting solution to achieve maximum economic benefits and high reliability