There is no Host security door

There are no sliding security doors yet. Sliding doors have several disadvantages: poor sealing, poor anti-theft (the structure is not conducive to anti-theft).

Usually buy this kind of products, the manufacturer of the anti-theft door will purchase product quality liability insurance from the insurance company for the publicity of the manufacturer's reputation and the affirmation of the quality, that is, the user of the product suffers property or personal losses due to the quality of the product, and the regular insurance company underwrites this type of insurance will require the manufacturer to issue product quality certification and production license and certificate of conformity and other documents that can prove the legality of product production and sales and quality. Therefore, if a brand of anti-theft door advertised (the company's products are underwritten by XXX insurance company product quality insurance), it can be considered a qualified product, of course, you should pay attention to the company underwritten for it is best to be a company above the municipal level, which may be more stringent. Of course, the security door may be concentrated in some big brands, and the importance of the brand is self-evident.

Yes, many brands have, we have two spring security doors that can be used for child and mother ventilation.

The main function of the anti-theft door is that the anti-pry sealing performance is better, generally after the door is closed, the door can not be opened without a key, and the filler in the door panel is not a fireproof material. The security door must have the "FAM" mark, and refer to the general technical conditions of the security doorThe fire door is also made of steel, but the door panel is filled with fireproof material, and the thickness of the door steel plate also has different requirements. >>>More

If you look closely, you can still distinguish whether the cat's eye has a lens, but now the intelligent anti-theft cat's eye has the function of remotely transmitting photos and recording images, and some can be called to the police in real time to watch it instantly, so the majority of thieves should not fight bad ideas, and change their ways as soon as possible!