FACTORY SALE Cheap Steel Security Door

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Specifications

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. DK 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

2050*960,2050*900,250*860,2050*750

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

Guarantee policy

360 days guarantee for our steel security door products. Any door broken from our factory will be change new door for you or discount from next orders.


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Q:Plastic steel door single glass what meaning
Plastic steel door single glass: plastic steel door profiles (frame welding assembly finished) + single glass Plastic glass door double glass: plastic steel door profiles (frame welding assembly is completed) + double glass (glass + space + glass) The difference is obvious, that is, glass, a single layer of a double layer, the glass of the corresponding bar for a single pressure and double pressure.
Q:Plastic doors and windows of the glass if broken, how to change it?
If it is a push-pull fan, you should first remove the fan, the pressure of the plastic steel bar with a word screwdriver or flat shovel to get out, with the tape measure the size of the mouth, remember to stay out of the gap. And then knock on the pressure bar, the fan re-installed on it can be.
Q:What is the bonding of steel doors
Hot melt welding with special machine for steel. Plastic doors and windows are polychlorinated olefins (UPVC) resin as the main raw material, generally through the cutting, welding or screwing made of doors and windows frame fan, equipped with sealing tape, tops, hardware, etc., at the same time to enhance the profile Of the rigid, more than a certain length of the cavity within the cavity need to fill the steel lining (ribs), so made of portal windows, called the steel doors and windows. Building materials market to sell the sealant, and styrofoam, the general gap is not very big with porcelain white 793 glue can be, with a large gap on the use of styrofoam, and then sealed with porcelain white plastic, big must buy , More than 1 cm with styrofoam.
Q:Will the steel doors and windows are good, or aluminum alloy is good, the living room bedroom needs a large area!
402 stainless steel is good
Q:How can a steel-steel pulley change it? Thank you!
First in the door on the cover to go down (in the material is the plane of the plane, with a flat screwdriver from the above or below the port pry open), and then lift the door up the whole, the following can be withdrawn from the track, After the pulley is changed, the door can be loaded in the reverse order. Hope you can understand.
Q:Plastic doors are plastic doors or metal doors?
Manufacturing process, wood door finished small.
Q:Steel doors and windows processing and installation of what pay taxes
1, steel doors and windows do not belong to the national tax [2002] No. 117, said the "self-produced goods", according to the provisions of No. 117, respectively, according to the mixed sales, the full payment of value-added tax. (The income of the doors and windows is much larger than the income of the installation fee for the income of the doors and windows for the year and the income of the installation fee);      2, decoration company occurred on the purchase of goods purchased re-processing, there is a VAT taxable goods production process, the tax should be regarded as the production unit of goods, when its self-produced goods for non-taxable items , It should be regarded as sales of value-added tax, while the business to pay business tax. As for the business tax of the installation business tax can reduce the value of doors and windows, should see whether the steel doors and windows are based on the provisions of Finance and Taxation [2003] No. 16, the provincial local tax authorities listed equipment;     3, the decoration itself belongs to the business tax services, decoration company itself is not a production unit, which is the decoration of the steel doors and windows, is to install a part of the business, should not be paid as VAT, so the business should be full Pay business tax, not VAT.
Q:What is the difference between steel doors and stainless steel doors and windows?
Plastic steel doors: PVC, modified PVC, resin and other major raw materials, according to certain design requirements, in accordance with relevant national standards, in the profile cavity filled with lining steel (lining steel generally 1.5mm galvanized cold Steel), with a special machine for cutting, welding, installation made. Stainless steel: stainless steel acid is short, resistant to air, steam, water and other weak corrosive media or stainless steel with stainless steel known as stainless steel; and chemical resistance to corrosion medium (acid, alkali, salt and other chemical erosion) corrosion The steel is called acid resistant steel.
Q:How much money to do a plastic steel door
By area, about 280 yuan / ㎡ or so.
Q:The advantages and disadvantages of steel doors
Advantages and disadvantages of steel doors and windows Advantages: Not only beautiful and durable, and the lowest thermal conductivity. In terms of energy saving is far better than wooden windows, iron windows and aluminum windows, is the most effective means of sealing. Ordinary steel prices affordable, economical and practical. High-grade plastic window insulation, anti-aging appearance is not easy to deformation. Now most of the buildings have been popular, the use of large, wide range of use, because steel windows do not use metal, the state also recommended. Disadvantages: Sealing, safety, anti-theft and ventilation quality is not satisfactory. The reason is the lack of supporting the use of high-quality stainless steel hardware, resulting in the current high-grade profiles supporting low-grade hardware dissonant state, and plastic (PVC) can not be degraded, waste plastic windows difficult to deal with environmental protection. There is a gap easy to rust, slightly worse sound insulation, ordinary plastic windows easy to deformation, such as high-grade imports of expensive, thousands of dollars per square meter.

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