Shiva Polytubes Pvt. Ltd. Supplies Unbreakable Polyvinyl Chloride Pipes. Shiva Polytubes Pvt. Ltd. Has been awarded an ISO 9001 certifications. Unbreakable Polyvinyl Chloride Pipes is available in premium quality with unique blending of PVC resin compound. Unbreakable Polyvinyl Chloride Pipes is invariably transparent. This pipe is packed with economic features of PVC Pipes. It is available in 15mm to 125mm. The pipe is available in the brand name of Royal Pipes. It is the healthiest of all healthy pipes.