Q:From the outside locked the door, if there was someone, why from the inside of the long floating of the spring of the valve Tong Tong Kun also can not open it? Are all the doors so? Is this the door ok? Why not design the lock inside the key can also be opened with more ah

Anti-theft door outside the lock, which can be opened with a key, can not open is broken

Q:When you ask to buy [security door] Note 1. To build a good city or online search finished a direct telephone contact. 2. All brands say their products are good, how to choose products. 3. The price is about how much the range 4. Is the security key of the security door? How to ensure that the key delivery on the way did not be copied? Do you want to change the lock at the time of purchase? 5. Is the security door fixed on the door frame, strong? The original door is unloaded good, or double door good? Question added: selling anti-theft door that I live in the apartment door is not the standard, so they want to make adjustments to their original products, so, to more money, this is not the seller's disguised price increases it? In China to buy things on this unpleasant, what are not marked price, but also bargain, get good to be cheated, do not mention the enjoyment of the shopping. trouble! The The More

1. In the absence of the industry to introduce the case, or do not understand the case, the proposed online to understand the price, or in the building materials to buy better. Because it is a local, after-sales service a little bit of protection (declare: I also manufacturers) 2. Must consider their products "homogenization", that is, cost-effective, or some new product selling point. 3. This is your request. Into the door security door with iron doors and stainless steel doors, etc., my company is to do stainless steel door into the door 4. This do not have to worry about, you can google about AB or ABC lock and then look at their pictures. And then that lock, as long as the lock cylinder can be locked for the purpose! 5. did not see the installation of physical, but it is recommended to remove and re-install. Other problems, you can stay contact, or Google consult me!

Q:How to divide the security door level

To pay more attention to hinges and hinges rust-proof lubrication. Otherwise it will rust and abnormal sound. Hinges lack rust-free lubrication, and affect the appearance, will issue a squeak sound, affect the rest. Meikailong and other well-known hinge brand with tiger hotolube or Krupp's hinge hinge grease, colorless and transparent, good adhesion, good durability. Panther has 130 grams of tube packaging, but also for sliding doors and so on. Grease directly applied to the hinge gap, will slowly penetrate into the hinge inside. The maintenance period is four to six months. Should not use the oil or ordinary butter, easy to lose or low temperature freeze, there will be harmful smell volatilize. Vegetable oil will soon rancid produce odor, loss of lubrication.

Q:Width 1200mm * high 2400MM Wang Li brand security door price is how much?

Rely on, I bought a 2680, when installed when I broke the brick, with his claims, that attitude is called a poor, I did not patient with those gangs play, that break in my home that is not allowed what Time to bring more trouble, a guy demolished to buy someone else, casually a small shop, much better than Wang Li, the deposit 800 do not go back from the hybrid, because the hybrid refused to retire, in order to 800 a waste of time, not worth , The brick broke the three pieces of artificial materials and went to 500, all when the raft raft iodine Yan drum drums winter card to the hybrid Wang Li cheated, I did not let him back the gold, demolished back to those gangs, actually also Dare to tell me the end of the paragraph, it really is Wang licensing licensing hybrids! Diao death you dead king! And your gang of death care

Q:Inside the left outside the right outside the right how to distinguish please detail more Thank you more

Say so! You are standing outside the house, facing the lack of urging jealous of Germany and the United States, the door hinge, in your left hand or hand, if the door hinge in your right hand, is outside the pull, then the right outside Pulled up!

Q:Home decoration has been admitted, but found profiteers to install the security door is not soundproof, want to change the security door, but the old anti-theft door on the expansion of the screw how to remove is a big problem, listen to the door that must be removed next to the security door Wooden door sets, in order to remove the security door, that the amount of work on the big. Also read the online on the expansion will be smashed to the wall, and then pull out the outer ring metal approach, but are not very good. So I recently wrestled with a way, if you use a larger than the expansion of the long hair of the long hair of the body, the expansion of the screw in the middle, directly to the concrete wall to play a role, is not Can easily pull out the expansion screw. Because do not understand the specific principles of expansion, I hope to understand the user under the reply, or who now with me the same confusion, with my practice under the method, the results tell the next, thank you! More

First with a professional tool to expand out of the expansion, after taking the hammer, hammer a hammer can be demolished.

Q:Well, now all the security door by which the patent

Refer to the following related patent for the following security door: 1, magnetic security door, application number: .5; 2, intelligent security door, application number: .8; 3, three anti-theft door, application number: .0; 4 6, the network of intelligent security door, the application number: the burden of the factory to pay off the board of the shop coupons cunning .4; 7; 5, the natural wind anti-theft door, application number: .4; 8, intelligent multi-purpose security door, application number: .6; 9, more ..... a total of 106.

Q:What is the difference between the security door and the steel door?

The essential difference is: anti-theft door countries have standard production standard, and steel doors do not need, just do not have qualified small workshops can be processed. Functional differences: anti-theft door with the basic anti-theft + insulation + noise + fire and other functions of the steel door customers decide their own, looking at the pleasing to the eye on it, huh, huh use difference: security door can be used as a household safety barrier steel door can be used Any place where there is no need for safety and security, except for the difference between the wet material: anti-theft door generally use cold-rolled steel plate filled with filler made of steel door you want to do what the line is smooth and open bargain Karma gang tied to burst it, As long as the material is steel :) Price difference: anti-theft door market price of 800-1500 ranging from the size of the steel door size calculation of material costs + artificial on the line do not know what else to think of these, I hope useful to you.

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:I bought a few supermarkets with anti-theft door, after installation, no reason to their own alarm, do not know is to be twisted side defender wing gambling gambling song what things interfere. The What can affect the security door of their own alarm? More

Burglar alarm is divided into two kinds of voice and the twitch side of the defender wing gambling chi chi song sensor for no reason the alarm is the probe and the sensor caused by excessive sensitivity you can find a professional test to do the appropriate adjustments can be