Q:There are locks in the district lock lock lock, they have lock core change, although the lock cylinder key is a plastic box closed, I worry about insecurity, because the key, after all, in their hands, say they are II muscle jump Nai Jiu snow Dan grinding repair lock with the key master, I do not know where the locksmith was safe to you? Ask, thank you more

If you change the cylinder, do not worry, because the lock cylinder is equipped with two sets of keys. A set is used for the trial, try to use another key to open the door, the original set to try The key will lose the role of my home for the trial of the set is easy to decorate the time to the decoration of the workers.If the decoration is good, with another set of keys to re-open the door will be inside the lock cylinder II muscle jump up Snow a mill to change a part of the decoration of the hands of the workers on the keys to lose their role. Can not open the door, but for the words, but also to find a formal place.

Q:New to buy a second - hand housing, would like to install a security door, I do not know the general use of home security door price in the number of other, I do not intend to decorate the room, I would like to ask the security door manufacturers will be responsible for the installation? Or I have to Chuangchuan bruised Qi wrong sand nitrogen spines themselves to find the construction team to install it? Question added: responsible for the installation, then what is the cement I still do not have to prepare their own? More

Panpan this is the old brand is good, generally about 1,000 yuan, to pay attention to the anti-valve Chuangchuangcui degrees wrong sand and thorns door and anti-theft door of the Kazakhstan, anti-theft door manufacturers will be responsible for the installation of expansion screws with the cement Prepare yourself for yourself.

Q:Commonly used anti-theft door door thickness is the number of centimeters? Cat eye has several diameters, respectively, what size? To specific data, thank you!

I know the thickness of the security door is now generally in the 9cm size in 2050 * 960 * 90 it is more common cat's eye size is to see the door and the same thickness

Q:What is the difference between the security level and the B level?

This is a time, and the time of class B is 45 minutes. The time is 15 hours. The The And Class A keyhole is 12, B has 10

Q:I would like to do anti-theft door business, but do not know from there entry, Shanghai floating high spring 薨 薨 arm for the anti-theft door on the door also do not understand, please help me. The The The The How can the security door to do business! The The More

Do the security door business is now bad to do the most anti-theft door business is the most important choice of anti-theft door brand, do security door or fight price, or is to sell the brand, or is a selling point. Maxim is the hope that the three are the characteristics of the brand is the beauty of the brand is more style, the reputation of the more hope is the production process of other home than the fame of the king of the characteristics of the king is a good anti-theft security is good The biggest selling point of the fame is also large (style is more common, that is, looks humble kind of) Landlord want to do security door business depends on you to sell security door focus on where to fight the price to take miscellaneous brand to do. First-class industry to sell brand second-rate enterprises to sell technology third-rate enterprises to sell these prices to the landlord to consider their own

Q:How to remove the white paint on the anti-theft door

I want you to say that it is washed with banana.

Q:What is the standard size of the security door?

GB security door size is 860 * 2050, this refers to what? Is the size of the security door or wiping the hole after the size of the hole? If you want to make this size of the door, and the installation can be safely into the way, then the door hole in the gray after the size of the gray must be achieved to do? The The In addition, how is the specification? If the installation of the door is not 860 * 2050 ,, meet the provisions of what The The

Q:Decoration, when the anti-theft door replacement?

Anti-theft door replacement necessity: due to the need for safe and secure, beautiful coordination and change is the normal personality needs. Save a little lockable core. Time choice: anti-theft door is best in the mud when the game on the replacement, so that part of the damage or cracks can be repaired, the new door has a protective film, decoration is not easy to bad. Later (such as piling the brick) after the door often have to change the floor tiles, the walls will be damaged. After the installation of carpentry to package the door, pay attention to keep the key like a decoration with a decoration key, decoration for the lock. Product selection: general engineering door This is the national standard security door, do not change the safety standards, pay attention to identification.

Q:Well, now all the security door by which the patent

You can enter the national patent office website search page to enter the keywords you want. You can find the information you want.

Q:What is the difference between the security door and the steel door?

Recommend you look at the national standard anti-theft door, April 1, 2008 promulgated a new standard.