The company specializes in standards of 1-3 hours of insulation \/ non-insulated nanosilon composite fire glass, fire window, glass door, fireglass load wall, gb\t12513-2006 and english standard bs476part 22:1987, european standard bsen 13644-1:1999, bsen1634-1:2008, australia as 1530. 4:2005, us standard。