【中文】按 GB/T33926-2017 标准生产，环压连接金属析出量低于 WHO 及欧洲标准5%，密封可靠、耐腐蚀，用于饮用水及燃气管道系统。
【English】Ring-press pipe system per GB/T33926-2017 with metal-release levels 5% below WHO and European standards; reliable sealing and corrosion resistance for drinking-water and gas systems.
