1, steel bookshelf. The main features of steel bookshelves are cheap, durable, fire-proof, moisture-proof and insect-proof. At present, it is mostly used in large libraries or archives. But there are also some shortcomings, such as single style, monotonous color, not beautiful enough and so on. Therefore, it is not recommended for friends with high requirements for face value.

2. Wooden bookshelves. Wooden bookshelves are much more beautiful and can be produced according to customers' requirements. You can not only choose colors, but also customize styles. Generally, it is mostly used in leading offices or primary school students' reading rooms. The price of wooden bookshelves is much more expensive than steel bookshelves. The price of a wooden bookshelf can buy three sets of steel bookshelves. At the same time, wooden bookcases are not fireproof and moisture-proof, easy to be damaged, and have higher requirements for the use environment.

3. Plastic bookshelves. Plastic bookshelves are rare. Generally, these bookshelves are used as desktop bookshelves, just as the name implies, they are small bookshelves placed on the desktop. There are few plastic materials for large bookshelves, one is high cost, and the other is unstable and unsafe.