Bookshelves, also known as bookshelves, are used in libraries, bookstores, supermarkets and other places; Bookshelves have various styles, which are generally divided into wooden bookshelves and iron bookshelves according to materials; There are a lot of books on the wooden shelves, so there are many books in the library; Iron bookshelves are a combination of display and display, so they are common in bookstores and supermarkets. Its design features are: fully combined structure, simple and quick disassembly, flexible application; Columns are generally provided with adjusting holes, and the spacing between laminates can be adjusted according to the actual situation.