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Anonymous users2024-01-232. It is lined with a layer of gauze, which is generally made of stainless steel and stainless iron, of course, it is better to be made of stainless steel. In fact, there is not much difference between the current security doors, mainly in the brand and plate (the national standard has regulations) to confirm that it is good. You can search for the specific national standard:
GB1756-2008 (anti-theft door), GB12955 (fire door). Hope it works for you.
Zhejiang Mingjia Industry and Trade Co., Ltd. produced Fangshun series FS-8020 Oudian door middle door is of good quality.
Yes, the soft package door was originally an anti-theft door, and a layer of sponge patches with modeling was pasted on the top of the anti-theft door, so as to achieve sound insulation, beauty, and warmth
Your idea is very good, but most people don't do that, the first is not beautiful, the second is not safe; If you have to install a window on the door, it is better to buy a new door in the door, which is both beautiful and safe, if you need it, you can directly send me a private message, and I will give you the factory price directly. Thanks for adopting!
The ventilation security door has a special design, and the ventilation window is generally equipped with 100 shutters. The shutters are effective in blocking the line of sight and keeping the airflow open, but they have a limited effect on sound. The use of ground glass can effectively block the view, but it will affect ventilation and is not recommended.
Yes, Longyang's Longchuan 9 cm clear hinge can be opened to 180 degrees Price, I bought the package installation and removal of 1250 yuan, but the old door to them!