Cheap Steel Security Door with good quality

Inquire Now

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

BEST SALE Steel Security Door
1)European advanced technology
2)Energy conservation
3)Sound proof, environmental

BEST SALE Steel Security Door ( commerce steel security door )

Steel security door supposed to protect your home safety. Which have good mechanical lock system and

stong metal structure lead to high safety glass level. Our steel door popular and export to Russia,Poland,

Hungary, Bulgaria,Ukraine,Nigeria,South Africa, Egypt,Iran,SaudiArabic, Libyan, Algeria ,Albania, Brazil,

Australia and some other areas. Pls check main specification as follow:

Standard size	2050960,2050900,250860,2050750
Steel sheets range of door leaf	0.7~1.0MM
Steel sheets range of door frame	1.4~2.0MM
Door leaf structure	70MM
Insulation options	Honeycomb paper;rock wool; fireproof board
Surface treatment	Powder coating
Lock system	11 lock pints; 13 lock points; 19 lock points around the leaf
Cylinder	Cooper with AB keys;
Opening direction	Left&right; inward&outward
Hinge	Invisible (open degree: 100~120) Visible (open degree:180)
Glass insert door leaf	Available
Accessories	handle; installation bolt; hinge; peephole; rubber seal; doorbell
Customer size	Available

High Quality Hot sale security outside doors design Loading qty for 40'ft HQ

Q: We are downstairs unit security door intercom and home lock is broken, the guests can only throw down the key, I feel very impolite, I now have a window connected to the first floor of the 8-core cable, can use this line I would like to unlock this set is not very understanding, whether the first change, and then access to the lock? What is the principle of unlocking? As long as the key can be unlocked at home on the line, right Do not need to say, and shouting twice on the line.Want to delay the trough of the river of tea right to have a reasonable person to speak a little thorough, the more simple the better, I dry electrician, how much a little knowledge of the circuit. More: Of course you can, and very simple. Only two of them can be used, it is recommended for each 4 core and a group, 8 core is divided into two groups, this can reduce the resistance. We find the electromagnetic switch, the first assumption that the electromagnetic switch is connected to the power supply negative, the other end is often connected with the drive tube. (If the contrary, the following program can be flexible to change their own) we only need one end of the first line of the network drive tube, the other end of the cable power supply is. Upstairs cable at both ends of a button switch can be.

Q: What method can be used to remove the anti-theft door on the small ad posted?: Buy a bottle of water. A wipe off.

Q: Our home security door is Panpan, there are AB two, I did not take A key, directly with B open the door, said the book that rotated 360 degrees, but the turn does not move ah storm down the stack of pieces of Chi Chi stupid painting and then decoration The key can not be used. The The why? More: A is the decoration key, B used after a practical effect.

Q: What is the galvanized sheet material, which is better than the steel plate? The door should buy what kind of material: Making the door is not necessary to buy galvanized sheet, because the high cost, buy the general 2mm steel plate on it. As for the anti-corrosion treatment, the first brush twice anti-rust paint, painted silver paint or other colors of paint can be.

Q: Will the security door double fast lock shortcomings: The biggest drawback if not anti-lock, you can directly from the outside door pressure, forced over the card's resistance.

Q: After the security is not on the game yet? The The: There are usually six or seven. To see what Gong Fu more than the emperor Hao Aoxin Fan tied. Good anti-theft lock has seven keys, a string of seven to stay in the two are installed with the remaining five in a box, which has a manual, five in a different color, with this in the lock Hole turn 360 degrees outside the two keys can not be used again. The keys in the general package are not opened. Otherwise it is not safe. I am doing security door.

Q: What are the kinds of stuffing inside the security door?: 1. Honeycomb paper 2. Polyurethane foam 3. Fireproof cotton 4. Aluminum silicate. Regardless of what can be called anti-theft door, because according to the new standard, and does not require internal filling, only the provisions of the thickness of the steel plate and the door, lock anti-opening time.

Q: Which anti-theft door brand cost-effective! The The The The The: I recommend the use of Wang Li, Wang of the security door, put the technology to unlock the time more than 180 minutes, even if it is a professional helium contact berry Du Fusen ask to open, within 180 minutes must not open

Q: How to identify the quality of security doors: Anti-theft door points several, if it is steel door you just open the cat's eye or remove the lock to see the thickness of the steel plate on the line! Other security door you flower lambs barley Karma cut the public stem as long as the weight on the line

Q: Every time a lot of effort, the hands are hurt.: Is that we say the method, or put a pencil lead in the keyhole or a little bit of oil in the inside, what sesame oil oil machine oil line

Send your message to us

*Email

*TEL

*Quantity

*Unit