AS2047 Standard aluminium alloy energy saving double glass window aluminium bifolding windows door on China WDMA Built-in Blinds width:78px

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2:Bifolds are a premium product

smooth surface of the product

AS2047 Standard aluminium alloy energy saving double glass window aluminium bifolding windows door on China WDMA Built-in Blinds width:78px1. Product Overviews BI FOLD WINDOW BI FOLDING WINDOW 1) 6063 T5 grade of thermally broken aluminium frames 2) Double toughened glazing for excellent thermal insulation,noise insulation & privacy protection 3) German brand hardware with 10 years warranty 4) AkzoNobel Interpon powder coating for very good durability CASEMENT WINDOW FRENCH WINDOW HINGED WINDOW 1) 6063 T5 grade of aluminium frames assembled by spigots and German glue for reinforcement 2)