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Non-standard is calculated by square meters. Generally, it is about 600 square meters. It depends on what level. steel plates and fillers, etc.
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Around 1000 to 2000.
The price of non-standard doors fluctuates, and with the different grades and shapes, locks, etc., the price will also change, and they are calculated by square meters.
The security door is made of pure steel with a mezzanine. It is a non-standard door.
This brand is not well-known, but there is a well-known anti-theft door brand, the quality is average, and the price is relatively high, but the price and quality of the iron security door are more suitable for the group owner.
There are a lot of famous ones, basically the top ten brands can do non-standard doors, Qunsheng, Wang Li, Sun, Spring, and Buyang are not bad.
First of all, the state does not have an anti-theft door for individual living rooms, and this kind of anti-theft door is used in the state's special treasury. >>>More