Supreme Polytubes Ltd. We are Manufacturers & Exporters of UPVC Pipes, Flexible PVC Pipes, PVC Plumbing Pipes, PVC Agriculture Pipes since 1973. Supreme Polytubes Ltd. is an ISO Certified Company and we follow all the guidelines and testing techniques to make the high quality PVC Pipes. Our Company is also Certified from Bureau of Indian Standards and all of our manufactured products are based on ISI Standards. Import premium quality PVC Resin from China and Germany to manufacture our products.