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

Technology unlock open all right, do not change the lock cylinder, you see him with the key to open the words must be replaced.

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

In our place, there is a square in the field

Q:Try not to hurt the door to the best, which professionals told me how to change? More

If part of the tear can be used to wipe with a little gasoline.

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:Hooply lock, there are three types of keys A, B, C, how to make the decoration key effective. Question added: Under normal circumstances, the use of C key to make A failure, C can use it? More

A, B, C three types of keys, how to make the edge of the fork late melon gypsum insects sleep chu fine decoration key failure. A key is decorated with a key and other decoration after the owner of the acceptance of the C key will be inserted into the keyhole rotation 360 ° (both off the A key for security in the use of A key to open once to ensure that the real failure) B key normal use of A key completely void

Q:Anti-theft door lock about what it means

General right hand door for right hand lock left hand door for left hand lock

Q:How to prevent the security door was prying

Ha, yeah, the security door is afraid of being pryed. Can you see that you are afraid of being stolen! The most important thing is not a thief, thanks to chu chu jin gangster saw half color newspaper Ji but your psychological role, the mind put a balance, and appropriate to do some protective measures on it.

Q:7 cm thick anti-theft door, what kind of power tools? What kind of drill bit Do you want to open from 2 sides? Meet the fire scrambling porphyry porphyry good phantom Han Yan door (7 cm thick) cat's eye what brand? More

If the fire, then you'd better do not see the door mirror size of the size of the law is not the size of the proposed you to an electronic door mirror or wireless remote control doorbell

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

Prepare props: word, Phillips screwdriver, pliers 2, sewing needle 2, tweezers 1. The method is as follows: (1) the sewing needle with a fire red bend into a small hook-like, and then gently find the key to the place, found that the activities of the gap, to find a small pillar can be activities, in fact, the lock can lock , That is, a small bronze pillar can not be locked organs, 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 took out. (2) the key to break the door in the lock, and 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, if the tweezers could not, then find a bike gate wire in front of a small groove can try to hook out. (3) from the inside to remove the back cover of the lock, with a narrow iron bar or a little bit of wire, from the door inside the poke, you can cut off the key from the keyhole poke out. (4) If the above methods are no way to solve, then only to find a locksmith, and unlock the lockers are uncertain, only for a security door lock.

Q:What is the unit name of the security door?

Anti-theft security door: units by "Tang" count