Chimgreen uPVC Window Powdered by Green Concept
UPVC Window Compared with aluminum window, 1. uPVC window is energy saving materials solution, because uPVC window and is better performance with insulation for heating, Single glass: uPVC- K value =4.7W(m²*K), but aluminum-K value =6.4W(m²*K) Double glass: uPVC- K value =2.4-2.7W(m&...
Apr 12 2021
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