the characteristic of UPVC Sliding Window have lowest price beautiful and durable PVC Sliding Window :1.Profile: PVC profiles 70 series2.Colour: White3.Glass:Single,Double,Triple5mm,6mm,8mm,6mm-12A-6mm,5mm-6A-5mm,Clearglass, termpered glass, floated glass,refective glass, Low-e glass, patterned glass, argon gas glass, etc.4.Reinforcement steel: 1.2mm, 1.5mm, 2.0mm, 2.5mm thickness U form ...