Q:Anti-theft sparse muscle trough can be too Jiujia tea compensation door lock to unlock the company to open after (no broken cylinder) there is no need to change the cylinder, ah, always feel that the whole hair ah. Worried about the unlock with ten minutes, the next time with a minute. Thank you answer ~ ~ more

How do you say you? You do not worry first of all you are definitely not a regular lock company! If it is sure that people will not miss your lock all day doing this industry without what you think so bad. Second, if your door to unlock a few people to open it you do not have to worry about because the worry is useless instructions that your lock is A level itself is very insecure for the same lock cylinder is also open. So if the approval to be assured to go out with the lock on the thief generally do not find trouble to open the lock! Throw things are not locked. It is not assured to buy a super B lock cylinder it is difficult for the thief also difficult to locksmith! If you can not open the door to find a locksmith is certainly not you now open the door price! Gains and losses have their own consideration

Q:How much is the square of the shutter door?

To see what kind of, there is the different prices are different regions.

Q:Their own security door, every time the door is very costly to open the door. Lock the door when the door handle up to mention, very easy. But when the door open, whether it is inserted into the key from the outside open, or from the inside down the door handle, it is difficult to open the door, that a few out from the door that a few columns (Figure) is difficult to retract Inside the door. What is the cause of this? What steps need to be done to make it switchable? More

You have no oil, and now the lock is not oil, if they have all inside will be tired of the inside. This can only change the lock core.

Q:Where the security door is cheap and safe

Inexpensive who likes, but the fact that the devaluation of the Chinese brand Pan Pan, step Yang, Wang Li, etc., high prices, high anti-theft coefficient of China's well-known trademarks, this too much. Their own go to the market can find a bunch of a circle. Cost-effective good is the last no-name, the cheapest, the quality did not protect the need to take it

Q:What is the security standard?

The latest standard "anti-theft security door common technical conditions", the anti-theft door security level is divided into: A, B, C, D four levels. Anti-theft level classification level surface material thickness lock points anti-damage open time letters that a class 2mm12 ≥ ≥ 30minJ B class 2mm10 ≥ 15minY C class 1.8mm8 ≥ 10minB Ding 1.5mm6 ≥ 6minD general home security door to C, Ding-based, the higher the level, the higher the anti-theft performance. In addition to the door itself, the door lock is the key to anti-theft, the state will be anti-theft door lock cylinder is divided into three levels: level anti-technical open time anti-destructive opening time interoperability rate standard level A ≥1min≥15min≤0.03% National Standard B Grade ≥5min≥30min≤0.01% National Standard Super B Grade ≥260min≥30min≤0.0004% Enterprise Standard

Q:My home security door is the nineties of the product, the key is a cylindrical iron bar, no key teeth of the kind, is said to rely on magnetic force to open the door. Daughter and wife's keys have been lost, and now only a key Fan Fan Dayton locusts Hao Hao rudder penalty fine, and this key in general with the key place that can not match. Who knows how this key is? More

You are still for the lock it, also five or six Fan Dayton locusts Hao Hao rudder penalty fine ten yuan, it is old-fashioned automatic lock, the key is a code, the code can be returned to the factory can not match, Lock it

Q:The new installation of the anti-theft door when the door issued a "ga bang bang bang" sound, and hinge attached to the door frame feels like shaking hands, but no card door. We are often wear and tear to the cost of life, after all, to the four pages of oil, but it does not work, what is the reason? How to solve it? First, thank you. More

Should be the quality of the hinge, one is the surface of the hinge is not smooth, angular; Second, the hinge of the supporting strength is not enough, can not effectively support the weight of the door. Method is: change the hinge.

Q:Anti-theft door of the cross key lock in the lock, and how quickly get out?

Use tweezers, needles, sharp nose pliers and other tools to try.

Q:Home security door choose what lock security, the key can not be copied

What can not copy this year? The fingerprint! The The

Q:Solid wood doors and security door price difference

Solid wood doors are indoor doors, security doors are outdoor doors, the price is not comparable. If you really want to, then, solid wood doors to a little higher. Solid wood door price in 2500 up, the security door is estimated at around 1500. This price should be a better anti-theft door.