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...
"Ubwino umabwera poyamba; kampani ndiyofunika kwambiri; bizinesi yaying'ono ndi mgwirizano" ndi nzeru yathu ya bizinesi yomwe nthawi zambiri imawonedwa ndikutsatiridwa ndi bizinesi yathu ya Supply ODM China Flanged Butterfly Valve Pn16 Gearbox Operating Body: Ductile Iron, Tsopano takhazikitsa mgwirizano wokhazikika komanso wautali wa mabizinesi ang'onoang'ono ndi ogula ochokera ku North America, Western Europe, Africa, South America, mayiko ndi madera opitilira 60. Ubwino umabwera poyamba; kampani ndiyofunika kwambiri; basi yaying'ono...