PVC tsaus xiav octagonal pob valve npauj npaim kov nrog threaded kev twb kev txuas.Peb nruj me ntsis xaiv cov khoom siv hauv cov txheej txheem ntawm kev tsim cov pob li qub.Yog li ntawd, lub pob li qub peb tsim muaj zog tiv thaiv corrosion thiab siab tsis kam.Koj tuaj yeem xaiv peb cov khoom hauv cov kev taw qhia, thiab peb tuaj yeem muab cov qauv dawb rau koj rau kev kuaj xyuas cov khoom zoo.Hongke Valve, Kuv vam tias koj tuaj yeem xa peb cov lus nug, peb zoo siab heev los sib tham nrog koj ntxiv txog cov ntsiab lus ntawm cov khoom.