Q:What is the galvanized sheet material, which is better than the steel plate? The door should buy what kind of material

Galvanized sheet: is coated with zinc iron or steel plate, used as a door with: with galvanized sheet: after welding, the solder joints will rust, and the high price. Ordinary steel plate: the cost can be open to the operation of planting moxibustion state smoked abalone, but every year with paint oil again.

Q:Downstairs car loaded with a security door, the results open the door when the lock can be locked when the ring lock 2, closed the door lock can only lock a lap and a half, stuck, so can only retreat to 1 turn position pull out , Originally thought it was the location of the lock door is not deep enough, the result that the hammer knocked deep enough, or only one side of the drink side of the evaluation of fat Taiwan Bo Jun circle half, what is the reason why the exclusion of more

Is the problem of the lock cylinder to find a locker to open a little oil just fine

Q:Will the security door double fast lock shortcomings

The biggest drawback if not anti-lock, you can directly from the outside door pressure, forced over the card's resistance.

Q:What are the kinds of stuffing inside the security door?

The internal filling of the anti-theft door of the country must be made of aluminum silicate rock because of the need for silicon, Alkaline rock wool has a good insulation, fire and noise performance.

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:There are 5 bars B key, 2 A key. It is said that after the renovation of the B key turn a week A key failure, but the B key turned N weeks, now the situation is A, B key can be used to make a fool often get the door to full power, what is the situation? Questions added: each B key has turned a lot of circle, 2 A key can still open the door more

There should be a key, usually yellow, with the key on the right, you see is not a little less.

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:How to know the size of home security door locks

Home security door standard size is 2050 * 960, the most standard is 2050 * 860, there is the 1970 ** 860, security doors are generally based on the actual needs of the family to do, the maximum can be done 2500 * 2500. The security door is called "security door". It combines both anti-theft and safe performance. In accordance with the "anti-theft security door general technical conditions" provides that qualified security door in 15 minutes using chisels, screwdrivers, crowbars and other ordinary hand tools and hand drill and other portable power tools can not pry open or in the door to open a 615 square millimeters Open, or open a 38 mm square opening in the semicircle with a locking point of 150 square millimeters. And anti-theft door on the use of the lock must be detected by the Ministry of Public Security testing with anti-drilling function of the anti-theft door dedicated lock. Anti-theft doors can be made of different materials, but only to achieve the standard test qualified, to receive security products to ensure that the door can be called security door.

Q:What is the basis for saying that anti-theft door is conducive to fire safety

I think there is no specific provisions of the anti-theft door to open the first one is to save the space of the room is the second door to open the door I think it is used to someone who said that if the indoor fire, then open the anti-theft door, but effortlessly escape

Q:Solid wood doors and security door price difference

Solid wood doors are mostly used for indoor use, of course, the earliest time in China will also be used in the big door, because the thief is less, and the anti-theft door is used for the relevant state-related important helium Sichuan vegetarian berry , The general family is using a security door