KFC door: industry term, mainly applicable to hotels, shopping malls, office buildings, banks, cafes, exhibition halls, fast food restaurants and other places. Both inner and outer doors can be installed and used. It can effectively play the role of heat preservation, dust prevention, sand prevention, noise reduction and sound insulation, shielding and so on. KFC door is mainly composed of door frame, door leaf, door glass, big handle, big hinge and door closer. Door type can be installed indoors and outdoors. Each door has two doors, a left door and a right door. The thickness of the door leaf is 40-60mm. The frame on one side of the door leaf is connected with the door frame through a big hinge, the door frame on the other side of the door leaf is provided with toggle-type upper and lower pins, and the door closer is installed on one side of the top beam of the door leaf to connect with the door frame. The large hinge of the door body adopts the bottom bolt tightening method, which is beautiful, elegant and durable. Cross brace can be added in the middle of the door leaf, which is beautiful and convenient for pedestrians to enter and exit. The door leaf glass is tempered glass, and the door body is equipped with stainless steel handle, which is beautiful and convenient for pedestrians to enter and exit. Material part: The outer frame of the door leaf is made of high-strength aluminum alloy profile, and the surface is treated by electrophoresis, and the color is optional.