Materials Standard
1、Profile:《GB5237-2008》
2、Hardwares：《JG/T 212-2007 》
3、Glass:《JGJ113-2009》
4、System Standard： 《GB8478-2008》
Product Feature：
5、Thermal Break system with 14.8mm width thermal bridge
6、Profile:Main structure thickness 2.0mm
7、Glass:Double glasses is available
8、Hardwares: Chinese Top brand and Germany hardwares is available
9、Water penetration resistance:>450PA; Wind Pressure:：>4000PA;Sound proof>38DB; U value<2.2
10、Easy installation, with Low threshold available
11、Customized profile color is available
