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1500 or so.
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This one ranges from 800 to several thousand.
The so-called metal doors, steel doors, and entrance doors are all "playing the edge ball", which is to avoid the country's strict regulations on anti-theft doors. Compared with the anti-theft door, some metal entrance door door frames, door leaves and locks lack reinforcing plates, stiffeners, and the use of hot-rolled plates with low rigidity is used, the product quality is inferior, and the safety performance is not fundamentally guaranteed. Li Shijian anti-theft door≠steel door, deputy director of the Technical Prevention Management Office of the Hunan Provincial Public Security Department, told reporters that the anti-theft door is the abbreviation of the anti-theft security door, which is the same concept as the anti-pry door, so the steel door is not the same as the anti-theft door. >>>More
Hello, this depends on your performance requirements for the security door, the quality is different, and the price difference is very normal.
Panpan security door is not counted by square meters, because he does not have a customized non-standard door. Panpan security door because of its fame, excellent quality, so the price is basically more than 2000, a door is generally not more than 2 square meters, so calculated, one square meter has to be thousands of yuan. If you don't know about the security door, you can search my name to see.
It's not a kind of door, the fire door doesn't have a cat's eye, and the lock page is different! Fireproof and anti-theft doors generally have cat's eyes and locks for anti-theft doors!
There are 600 5000 in one square! The choice is yours.