At present, there is no complete anti theft door enterprise management software in the world, the ke

In fact, the sound insulation effect of the good quality anti-theft door is good There is no such thing as a soft-pack anti-theft door I bought the high-end anti-theft door in Buyang The sound insulation is quite good Buy the kind with a sealing strip!

When the spring tide is full of purple and red.

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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.

This is a non-standard size, but some merchants can customize it, which needs to go to the sales office to ask. Now many things can be customized, just give the merchant specific data. However, some custom-made items may be subject to an additional fee.