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Anonymous users2024-01-24Anti-theft door material is standard according to the anti-theft level, there is a corresponding national standard, the production process is each manufacturer of different door frames according to the anti-theft security B, C, D level should be selected mm, mm.
The thickness of the outer and inner panels of the door leaf is expressed in the form of "outer plate and inner plate", and the grades B, C and D of anti-theft security are respectively distinguished.
Choose mm mm, mm mm, mm mm
Generally, household security doors are mainly C, D, the higher the level, the higher the anti-theft performance.
Haha ยท What door can't they open? Ask about after-sales.
Panpan anti-theft door materials are more solid, may not be so beautiful style, but the advantage is solid and durable, the price depends on what level of door, D level may be around 1500.
Jingjing security door is a series of Panpan security doors in the early years, but it has now been discontinued. It is no longer produced. Look carefully when you buy it!
Put on the search, there is a very detailed logo.
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Not quite normal, regular in the absence of resistance is greater than 150 degrees.