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The specification of Window:
Product type: Class A, B, C. Fire resistant time: 72min, 54min, 36min.Property:Fire resistant, heat insulation, sound insulation;Pass the GB/T 12513-2006 and the GB 16809-1997;Practical, aesthetic and affordable; Can be used in all countries and regions.We produce the windows strictly according to the requirement of the customers. We take pride in accommodating all orders. If you do not find exactly what you need, please contacts us as we have many options to suite your needs.Customer first !fire window