Q:Which anti-theft door brand cost-effective! The The The The The

Wang Li Panpan these prices are too high, I think a long time cost-effective high price of my family to use this brand

Q:How to identify the quality of security doors

Method 1: formal qualified anti-theft door will have a trademark (see the trademark content of all you, manufacturers, qualified quality, etc.) Method 2: good security door thickness thicker than the average, you can beat down to listen to the sound , Whether it is dense, the weight can also be distinguished; look at the thickness of the school about the two most common the most common

Q:Is the cross of the key to rest, usually good, open the door today when the other live, and then how can not pull out, and finally in front of a break in the inside, and the needle is not open, do not tell me with glue ah, Look at the situation certainly not, there is no other law? I look inside the door seems to have a hole, can not try to taste from the side of the city, The More

Cross the security key in the lock how to do: 1, to prepare the word, Phillips screwdriver, pliers 2, sewing needle 2, tweezers 1, the first step, the sewing needle bent with red fire into a small hook , And then gently find the place to break the key, found that the activities of the gap, can be found in the activities of the small pillars, in fact, the lock can be locked, that is, a small bronze pillar can not turn the body, and now with two needle hook Off the key, slowly pulled out on the line. Can be used to help tweezers, if not, you can use a screwdriver to remove the position in the house to find the location of the key, with a needle stabbed out, and then everything is fine; anti-theft door key picture 2, security door key in the lock inside, First look at the key is not wrong, the correct location should be inserted into the key position. To find a medical tweezers try can not be taken out, tattoo google fat stolen aldehyde alien if you can not twist, then find a bike gate wire in front of a small groove can try to hook out; anti-theft door key picture 3, from the inside to remove the back cover of the lock, with a narrow iron or fine wire, from the door inside the poke, you can break the key from the keyhole poke out; 4, if they have no way to solve, Then can only find a locksmith, and unlock the lockers are uncertain, then only for a security door lock the core!

Q:Is a door when a door on a door with a handle, the other is the ground there is a groove that does not move the door so that can be installed to prohibit the more

Can ah, casually an access control engineering company can help you change, or even lock the store can help you modify, this asked the technical difficulty is very low.

Q:Security door can not directly change the lock and do not change the door

Can be, but will affect the door of the anti-theft function. Now a lot of doors for the door, but for the ordinary steel doors. I do not know your door is not a real anti-theft door, the general price of anti-theft door in more than one thousand yuan, very weight, two or three people are very troublesome to fly, can resist the drill and other forced to open the tool for more than 40 minutes, Then up to no more than 15 minutes, the weight is relatively light, very harmed Geng indignation of the official seam for a person to be able to move. If your home is really anti-theft door construction you do not dismantle the replacement door parts. If it is not fearless.

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

Simply to fight against the degree of resistance to the degree of destruction. Class A is the most solid, the door of the material the most solid. And so on

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

Filled with the general market are honeycomb paper, there are good points on the use of aluminum silicate rock wool (fire cotton), but also stare at Chi Fei Fan Fen crossing petty play a variety of a, B, C Grade, the surface color is basically white and yellow 2 kinds.

Q:Anti-theft door door windproof air leakage how to do

Anti-theft door wind wind blown air leakage is generally because the glue old trace Fu Guan Huang number of copper damage to the expansion, hardening, cracks caused by, it may be because each time the door vibration caused by plastic cracks. I suggest you replace the wind rubber strip packing, because the rubber strip of durability and toughness is far more than the windbreak of plastic. After the tape stuffed with windbreak glue to make up a basic can solve the problem.

Q:Are there any categories of trademarks? Do you belong to the first few categories?

You are good anti-theft doors are generally metal door is 0603 gallbladder set of hey orphan phthalate cantilever doors are non-metallic doors are 1909

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.