Traditionally, when you need to close the door, you need to do it manually but for door closer, it makes this easier and more convenient. The door closer can be install on the door leaf and door frame and once you open the door, it can be closed automatically.
For small door, 40KG door closer is the best option and for heavy door, 120 will be the best option. Customer can choose the different door closer according to their different requirement.
Door closer can be found in department store , office building ,supper market etc.