Ma valve a butterfly a WCB akukula kwambiri m'magawo osiyanasiyana a mafakitale, kuphatikizapo kuthira madzi, kukonza mankhwala, ndi kupanga mphamvu zamagetsi, chifukwa cha ntchito zawo zodalirika komanso kusinthasintha. Ma valve awa, opangidwa ndi Like Valve (Tianjin) Co., Ltd., adapangidwa kuti aziwongolera kuyendetsa bwino, kuyika mosavuta, komanso kukonza pang'ono, kuwapanga kukhala chisankho chabwino pamapulogalamu ambiri. Kapangidwe kawo kocheperako komanso kamangidwe kolimba kumatsimikizira kulimba komanso moyo wautali wautumiki, kumapangitsanso chidwi chawo m'malo ovuta. Pamene mafakitale akuchulukirachulukira pakudzipangira okha komanso kuchita bwino, kukhazikitsidwa kwa ma valve agulugufe a WCB akuyembekezeka kukula, ndikuyika Monga Valve (Tianjin) Co., Ltd. ngati wosewera wamkulu pamsika.