PVC buluu wakuda wa octagonal mpira valavu gulugufe chogwirira ndi ulusi ulusi.Timasankha mosamalitsa zida zopangira popanga mavavu a mpira.Chifukwa chake, ma valve a mpira omwe timapanga amakhala ndi anti-corrosion amphamvu kwambiri komanso kukana kukakamiza.Mutha kusankha zinthu zathu molunjika, ndipo titha kukupatsirani zitsanzo zaulere kuti muwunikenso zinthuzo.Hongke Valve, ndikuyembekeza kuti mutha kutitumizira mafunso, ndife okondwa kwambiri kuyankhulana nanu zambiri zazambiri.