Aluminum up down/double hung/lift and sliding window on China WDMA Sliding Window UPVC Windows is 3 1/2

UPVC Windows is 3 1/2 times stronger than vinyl(PVC) and 43 tims stronger than wood with a high strength-to-weight ratio

custom horizontal the blinds between the insulated glass

60/70series

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Aluminum up down/double hung/lift and sliding window on China WDMA Sliding Window UPVC Windows is 3 1/2Name Aluminum up down double hung lift and sliding window Open design Sliding or casement(french),awning,fixed,tilt turn etc Color type White, grey, brown, black, wood color Frame material Aluminum profile ( normal or thermal break ) Glass type Tempered single or double glazing glass Hardware&fittings 1, Germany ROTO hardware and other top grade hardware 2, Chinese hardware(top grade,middle grade,common grade) Mosquito meshes Metal,stainless steel and