A full-featured sorting system that sorts flats (including plastic seals) and letters, with a wide range of sorting and fast speeds. Applicable to parcel processing centersLetter Flats All-in-one Sorter, which mean the letter and flat high-speed sorter, integrates the domestic advanced letter sorting technology, flat piece sorting technology and Chinese character recognition technology, is a full-function sorting system that can sort letters and flat pieces (including plastic seals). The product has a number of patents, is a domestic original, international leading.