PVC-U pipe for water supply is made of PVC resin as the main raw material, adding appropriate amount of additives, after mixing, extruding, sizing, cooling, cutting and expanding the mouth and other processes. Injection moulding pipe fittings for water supply is made of PVC resin as the main raw material, adding appropriate amount of additives, after mixing and injection moulding. "With decades of experience in the production of PVC-U pipes, technology research and development, the company adopts German Badenfeld extruder and nsf expansion moulds, and the raw materials are all high-quality resins produced by large-scale petrochemical enterprises in China, and the company strictly follows the requirements of ISO9002 quality assurance system. In accordance with the requirements of ISO9002 quality assurance system, the company adopts its own unique and excellent technology formula to organise the production. The green and lead-free hard polyvinyl chloride (PVC-U) water supply pipes and