Q:Every time a lot of effort, the hands are hurt.

It is the quality of the lock problem, you can inject into the lubrication of the economy. You can also inject vegetable oil, sesame oil and the like.

Q:If the same size, which door is more expensive? Which will be more practical? More

I have to answer, the shutter door practical, iron door easy to rust life is short, usually in the case of relatively large size of the door shutter door is still relatively good, after opening does not occupy the place, beautiful appearance, easy to use. The only flaw is that almost anti-theft ability. But what the door is to prevent the gentleman is not against the villain, no matter how good anti-theft gate thief can open.there are a lot of anti-theft door garage door. I suggest you choose the shutter door.

Q:What is the filler inside the security door

Anti-theft door filling are: honeycomb paper rock wool polyurethane foam foil. Depending on the level of the security door and the use of different, the filling of different substances.

Q:What is the quota of the security door?

There is no quota for this, mainly based on your door size

Q:On the financial room to increase the anti-theft door how to write?

On the financial room to increase the security door of the request XX leadership: the financial room is the deposit of important notes and financial documents and archives of the important departments, there is no security door, according to the tax office FA ticket management requirements should increase the anti-theft barrier and security door, out of The protection of the company's assets, the special application for the installation of security doors. Please, please, please advise .XXX Department of the date

Q:Would like to ask often say that the left hand to open and right hand to open what is the left hand open and right hand to open Thank you !!!! more

Is the door to open the direction of the left hand is the door lock on the right, the hinge on the left, the right hand to open the contrary, see the actual situation and the specific needs

Q:Why the American house does not install anti-theft network and security door?

The reason why Americans allow guns is also supported by this situation. You are absolutely impracticable in China.

Q:Used to open the door to open, so close the door to open the door operations are carried out in the house, hands do not have to stretch out, the body do not have to probe out, the door is not good to close the state is also easy to observe, but when the door from the outside But the new door anti-theft door opened to open, open the door to operate the arm to reach out, the door open state when the body must be stuck out, off the state is not easy to detect, but the state is not easy to detect, but the door is not easy to detect From the outside when the door was very safe, is the door frame around the block drive. Each has its own advantages and disadvantages, which switch should choose the best direction, what stresses it? More

Now the security door has a heavy effort to dry up to the courage to gradually feel the function is doubles as a fire door, do not believe you look at any security door issued by the Ministry of Public Security certificate of identification, mostly fire identification based, strange is Chaos identification is less. Because both fire function, so open to the scientific and reasonable, one is to prevent the external fire broke into the room, the second is the indoor fire, easy to break out. Anti-theft door to open the main, there are also open, but generally belong to the special door, delivery is also higher.

Q:How to know the size of home security door locks

If you want to change the lock, only three dimensions: the thickness of the door side of the film (the location of the piece of iron piece) length and width

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

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