According to the different structure, the anti-theft security door can be divided into three types: the anti-theft security door, the fence-type anti-theft security door and the fence-type folding door. However, the main use of the residential door as the household door is the swing-type anti-theft security door. The fence-type anti-theft security door is mainly used in conjunction with the building intercom electronic control system products, and is used as a building intercom door for residential or residential walkways. Sliding doors are mainly used in small commercial shops.
For the average consumer, the resident's anti-theft security door is mainly a flat-open anti-theft security door. The swing door is the most demanding security door on the market. Some standards refer to this type of door as a separate door or Entry Door, indicating that this is a door that distinguishes between indoor and outdoor. Therefore, in addition to anti-theft, it also involves insulation, sound insulation, aesthetics and many other aspects. The swing door is divided into the form: ordinary swing door, door middle door, child mother door and Composite Door. The ordinary swing door is a closed door with a single fan opening. The door in the door has the advantages of both the fence door and the swing door. The part of the outer door is a fence door. There is a small door behind the fence door. The small door can be used as a fence door for ventilation, etc., and the small door is closed as a swing door. The role. The sub-mother door is generally used for homes with large door frames, which means that it is convenient to enter and exit at ordinary times, and it is also convenient for large furniture to be moved in. The composite door is also called a frame and two doors, the front door is a fence door, and the back door is a closed swing door.
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