Valavu yotchingira yotchingira yotchingira ndi mtundu wa valavu yotchingira yomwe imagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana kuti ilamulire kuyenda kwa madzi. Ili ndi mpando wa raba womwe umapereka chisindikizo cholimba ndikuletsa kubwerera kwa madzi. Valavuyi idapangidwa kuti ilole madzi kuyenda mbali imodzi pomwe ikuletsa kuyenda mbali ina. Chimodzi mwazinthu zazikulu za mavavu otchingira otchingira otchingira otchingira ndi rabara ndi kuphweka kwawo. Ili ndi diski yolumikizidwa yomwe imatseguka ndikutseka kuti ilole kapena kuletsa madzi kulowa...
Kampani yathu imalimbikitsa mfundo yakuti "ubwino wa malonda ndiye maziko a kupulumuka kwa bungwe; kukhutira kwa makasitomala kungakhale chinthu chofunikira kwambiri pa bizinesi; kusintha kosalekeza ndiko kufunafuna antchito kosatha" ndipo cholinga chokhazikika cha "mbiri yoyambira, wogula choyamba" wa Professional Factory for China Nrs Gate Valve for Water System, Timadalira kwambiri kusinthana ndi mgwirizano ndi inu. Tiloleni tipitirire patsogolo ...