1,Suitable for factories, offices, A4, B4, A5 documents, forms, bills, catalogs, stationery and other finishing storage. 2,Color label management, drawers with color cards, four colors to choose from, the memory can be placed in the file drawer labeled, data and other names, classified storage, improve efficiency 3,Designed to prevent the slide to ensure that the drawer is pulled out, documents, data will not fall, resulting in the information chaos.