UPVC Windows Manufacturing Welding Machines Manufacturer
Upvc windows welding machines upvc (unplasticized polyvinyl chloride ) windows and doors are rapidly replacing the aluminum windows & doors in the world market. Commonly used PVC (polyvinyl chloride) are strong & lightweight plastic used in construction. It is made softer and more flexible by the addition of plasticizers. If no plasticizers are added, it is known as UPVC (unplasticized polyvinyl chloride), rigid PVC, or vinyl siding in the us.