Security door: popular security doors on the market there are three main categories: stainless steel door, dusting surface compound plastic-steel doors and steel door, three have different characteristics.
Stainless steel door: mainly grille and unique style, characterized by elegant, surface smooth, high gloss, no rust. But the color of a single, security performance is poor, easy to be prized, prices are relatively high. Domestic stainless steel security door prices per square meter usually from $ 500 to $ 2000, Taiwan, Hong Kong security doors production per square meter prices can be as high as $ 6,000 to $ 8,000.
Powder steel doors: divided into grids and closed two, colourful and diverse. Grille powder steel doors and stainless steel grille door pry the same anti-less problem. Closed spraying powder steel door security performance is significantly better than the grille of the security door, because of its surface closed, damaged is quite difficult, and closed security doors are usually equipped with a multi point locking device. So-called multi point locking, refers to the security door up and down, left and right are equipped with gear lock lever. Now has reached up to 15-point locking, even if the destruction of one or two locking points, still has no effect on overall security performance.Disadvantage of this type of door is poor rust-proof function. Currently available in powder injection on steel doors usually adopts cold-rolled steel sheet as the raw materials, poor due to the corrosion of the steel itself functions, combined with the coastal areas of high moisture content in the air, if p does not or not completely rust-inhibiting primer, will soon be rusting. Purchase deserves special attention.
