What is the warranty of Jiawei brand security security door?

: Installation method: 1. Expansion bolt installation method 1, first measure whether the size of the hole is consistent with the size of the door frame, if it is smaller than the size of the door frame, the excess gray skin should be removed. >>>More

I don't know Wang Li's anti-theft door, but it is nothing more than the following, one door is above, two doors are on the side, and three doors are on the mirror.

First of all, you should check whether the security door has a certificate of conformity tested by a statutory testing agency, and there is a security technology protection product license issued by the security technology prevention department of the provincial public security department where the manufacturer is located. >>>More

The door is the façade of the home, and it is a protective net for home security, and its role is needless to say, so what are the common types of anti-theft doors? The first type: steel security door; More common, but also the most used by consumers, this type of door is cheap and reasonable, but the shape line is hard, and it is difficult to integrate with modern interior decoration. >>>More

Buy famous brands, Panpan, Maxim's, Wanjia, etc., these are good, and if you are in Beijing, Rishang and North are also good.