Commercial system glass aluminum bi-folding / bifold / accordion / folding window on China WDMA exterior Ltd) head office located in

Ltd) head office located in Pudong district

New type of insert aluminium alloy lower rail with higher strength

YY: Commonly Germany brand

and the amount of solar heat gain

Commercial system glass aluminum bi-folding / bifold / accordion / folding window on China WDMA exterior Ltd) head office located inCertifications Tested & Certified Alufront's windows and doors have been tested according to US and Australian standard, for thermal rating and Acoustic are above the international standard. Alufront's products are approved by WERS,NFRC standard. ACOUSTICS TESTED WINDOWS & DOORS Sound or acoustic performance of a window is measured by the weighted sound reduction index or Rw value. Rw values are determined by measuring the reduction in dB achieved