My home - installed Wang Li security door panel cracked, to the special store to the door, he said it is stainless steel, it is impossible to crack. May I ask is stainless steel?

Anti-theft door from the material is mainly divided into five: steel, steel and wood structure, stainless steel, aluminum alloy and copper, they have their own characteristics in terms of quality and performance, the natural price is not the same.

Steel security doors: can be said to be the most seen on the market, the people use the most. People are familiar with most of the security doors belong to this series. These doors are cheaper and more reasonable, its sales accounted for more than 90% of the total market sales. The disadvantage of this kind of door is that the hard lines of the appearance, it is difficult to integrate with the modern interior decoration.

Steel doors: is a kind of interior decoration can be matched with a door, generally by the user's request, anti-theft performance using the middle of the steel plate to achieve, the manufacturer can be selected according to the user's requirements of different colors, wood, lines and patterns and interior decoration into one, no longer as cold as the steel door is not coordinated. Therefore it is also more expensive than steel security doors.

Aluminum alloy security doors: the aluminum alloy used in this door is different from the ordinary aluminum alloy doors and windows we have seen, its high hardness, and bright color, and then decorated with floral pattern modification, giving a sense of splendor, is a mid-range security doors. Because this door is not easy to fade, so also has a certain consumer groups.

Stainless steel security doors: stainless steel security doors are strong and durable, higher security. The current market stainless steel security doors in the color is too monotonous, basically silver, this color makes people feel very hard, and is not easy to harmonize with the door and the surrounding environment, and the surface, such as collision and welding marks, will be very obvious. Due to the stainless steel material's own price factors cause its price positioning is also higher.

Copper security doors: most of the copper security doors will be the traditional anti-theft and entry doors into one, advanced style, and in the fire, corrosion, prying, dust have a good performance. From the material, copper security door is the best, from the price, it is also the most expensive, the market can see the basic price of about 5000 yuan, the most expensive can be tens of thousands of dollars. It is mainly used for banks and other financial institutions or high-level residential villa use.