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Hello landlord, the security door is graded. There are four levels of A, B, C, D, and A, Class A is the most expensive and the cheapest, but there are some non-superior ones that are cheaper. The D door is around 600, the C door is around 1000, the B door is around 1500, and the A door is around 2000.
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The real security door is about four or five hundred yuan, and most of the cheapest ones are fakes
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Now the security doors on the market as long as the quality of the regular building materials city to buy is better, the price is 1500 2000
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Two of the best security doors :
Panpan Beauty.
The price ranges from 1100-2500 yuan.
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Around 200-1000.
800, 1000, 3000, 5000, 10000, all of them, you better go to the market.
At present, with the Internet, any price is transparent, and the price influencing factors of the anti-theft system include anti-theft poles, bases, motherboards, transformers, etc.;
About 350 for plastic steel and about 600 for titanium alloy, depending on the market conditions in different cities!
It depends on the level of your security door, generally Grade A is 120 150, other levels are about 100, and the mother door is 150
This is said to be the lowest price of more than 100 square meters of kitchen sliding doors. >>>More