2019 China supplier french double glazed PVC UPVC patio sliding glass doors on China WDMAProduct Description 2019 China supplier french double glazed PVC UPVC patio sliding glass doors Product Pvc Window Features Energy saving and Eco friendly Sound and heat insulation Good air and water proof Anti aging and easy maintenance Glass Float glass, Insulated glass, Tempered glass, Low e glass, Frosted glass, Reflective glass, Decorative glass Frame UPVC Hardware Hinge, handle and other accessories Size Customized as per request Type Sliding,