... 8077/8078 ISO9001:2008 Best steady ppr pipe and fitting of concealed valve for export1, raw material: ppr and brass2, pressure rating ... toxic,rustproof and no scale6, recyclable,benefit to the environment7, good resistance to shock and impact8, resistance to all kinds ... :1, Spec:D20,D25,D322, ISO9001:2000 quality system certification 4.Competitive price, superior quality, best service 5.We have a strong ...