[] _ Gaocheng Gaocheng steel doors and steel doors and windows installed _ Ramada provided by the gorgeous windows. Shijiazhuang gorgeous Door (www.sjzygf.com) had been "Business League certification", please rest assured purchase through the entire network, click on the page check "Business League certification icon," the company authentication information. You can also click on the "Business League Service Icons" on this page directly contact our customer service! Steel doors and advantages: a: resistance to erosion: steel doors with wood and aluminum higher compressive, tensile, anti-blow, crack, superior strength and resistance to expansion of steel, wood and aluminum corrosion resistance, without air, salt erosion. II: airtight: multi-layer steel doors and steel doors and windows sealed design Gaocheng offer, and PVC-type surface is smooth, easy adhesion of dust dirt, dust and excellent results. Three: elegant and beautiful: PVC can be dubbed in various colors, such as white, brown, blue, red, yellow, etc., consumers can freely select Gaocheng steel doors design, and large sash, frame structure steel doors and windows wide glass Gaocheng , indoor lighting is beneficial. If accompanied by a decorative metal accessories, can beautify the indoor environment. Steel doors and aluminum windows and doors in terms of quality and price is a certain difference of Gaocheng install steel doors, steel doors and aluminum doors compared: First drawn on a steel door with less metal, more conservation of resources; secondly, sealed steel doors resistance than aluminum doors good; Again, steel doors during use, resulting in mechanical noise than a small aluminum doors. The aluminum doors in hardness than steel door door height, more durable, but a long time, easily deformed, while its price relative terms is higher steel windows.