... 2.energy efficiency and safety 3.factory certificate 4.keep around 20 years pvc profile window 1.Lower price,high ... of dust-proof, anti-mosquito Construction of pvc profile window Name pvc window OpenningslidingProfilematerial: PVCseries:60mm, 65mm, 70mm,80mm,88mm,95mmWall ... thremal break and heat insulation features Packing and serviceEach window with plastic film mulching, Then to be packed in ...