
?????????????????
        
       PPR ????????????????????????? dn63 * 8.6 S3.2 ????????????????
                
            ??????????? 17399989993! ???????????????????? AD ???????????????? dn638.6 S3.2 PPR ?????????????????????????????? AD ???...
                ????????????  PPR ????????????????????????? dn50 * 6.9 S3.2 ????????????????
                
            ??????????? 17399989993! ???????????????????? AD ???????????????? dn506.9 S3.2 PPR ???????????????????? AD ?????????????...
                ????????????  PPR ????????????????????????? dn40 * 5.5 S3.2 ????????????????
                
            ??????????? 17399989993! Hubei AD Youjia Management Professional Customized dn405.5 S3.2 Green PPR ?????????????????????...
                ????????????  PPR ????????????????????????? dn32 * 4.4 S3.2 ????????????????
                
            ??????????? 17399989993! ????????????? Hubei AD ????????????????????????????????????????????????????????????????????? PP...
                ????????????  PPR ????????????????????????? dn25 * 3.5 S3.2 ????????????????
                
            ??????????? 17399989993! Hubei AD Pipeline ?????????????????????????????????????? dn253.5 S3.2 PPR ???????????????????? ...
                ????????????  PPR ????????????????????????? dn20 * 2.8 S3.2 ????????????????
                
            ??????????? 17399989993! Hubei AD Pipeline ?????????????????????????????????????? dn202.8 S3.2 PPR ???????????????????? ...
                ????????????  PPR ????????????????????????? dn25 * 4.2 ???????????????? S2.5
                
            AD PPR tube DN254.2 S2.5 ???????????????????????????????????????????????????????????????????????????????????????????????...
                ????????????  PPR ????????????????????????? dn20 * 3.4 ?????????????? S2.5
                
            ????? AD PPR tube DN20 * 3.4 S2.5 ??????????????????????????????????????????????????????????????????????????????????????...
                ????????????