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Question:

How to choose anti-theft door

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Answer:

Depends on whether the national standard (GB) of the security door, usually in the door with a stamp, be sure to see the location of the stamping. There are internal filling: now on the market of security door filling are generally: honeycomb paper + styrofoam, fire rock wool, aviation aluminum fire rock wool fire, insulation, sound insulation effect. But also depends on the thickness of the plate, hinges and locks, craft style.
Detailed look at their own online indicators, I understand that the three out will not give people flicker. Check the anti-theft door to see three indicators. 1. Brand: Pan Pan Wang Li Mei heart step yang scolding money to rescue the ship to find the class 2. anti-theft door level: A B Bing Ding, Class A best. Formal level mark hit the door in the door on the door, it is best to have qualified code (hit the door is false), the level describes the security door, the thickness of the door frame steel. 3. Door lock level: A / B / super B. Super B best. Personally think that the ultra-B-level lock is a must, B-level lock of the national standard anti-technical open (lock tamper of the key indicators) for 5 minutes, ultra B anti-technical open time for 180 minutes. Like the difference between Audi and Alto. Personal recommended Wang Li, the only door made and lock the business, the door is of good quality. All doors are super B locks. The strength of the crystal can see Pan Pan Jing (Pan hope for the B-lock, to recognize), Jingjing also for the super B-class, is the price is too high, the door is still very good.

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