Black color slim aluminum frame customized steel doors casement on China WDMA color:Dark Grey 3 1/2" & 4 1/2"

3 1/2" & 4 1/2" louver sizes are shown below and can be used as a guide to see how the compare against each other when looking through them

60mm  or 80mm or 88mm

economic price and good sealing performance

Germany brand "ROTO" "SIEGENIA"

if need open new mould

Black color slim aluminum frame customized steel doors casement on China WDMA color:Dark Grey 3 1/2" & 4 1/2"Detailed Image Product Description Product parameters Product Details Brand Name Cayoe Product Black color slim aluminum frame customized steel doors casement Aluminum profile 1) 6063 T5 T6 grade of thermal break aluminum profiles 2) 6063 T5 T6 grade of non thermal break aluminum profiles Size Customized Glass 1) Double toughened glass with gap filled with air or argon gas 2) Single toughened glass 3) Double toughened glass will PVB laminate