The main door hinges that open and close your door are called exterior door hinges and come in a range of different materials including; wood, aluminum, steel, and plastic. These door hinges are available with a variety of different designs and are usually made from either stainless steel or chrome steel.

The fire door hinge is the center of the fire door suspension system. It is responsible for opening and closing the door for daily use. It can withstand the flame temperature in the event of a fire, ensure the functionality of the fire door, and protect people from using the fire door to escape. The