Makampani opanga zakudya ndi gawo lofunikira kwambiri pazachuma cha dziko, zomwe zimakhudza mwachindunji thanzi la anthu komanso moyo wabwino. Pakupanga chakudya chofunikira, ma valve osiyanasiyana ndi ofunikira, okhala ndi mavavu achitsulo chosapanga dzimbiri omwe amapeza kutchuka chifukwa chaubwino wawo. Ma valve awa amadziwika ndi kulimba kwawo, kukana dzimbiri, komanso ukhondo, zomwe zimawapangitsa kukhala abwino pakugwiritsa ntchito chakudya. Opanga otsogola, monga Monga Valve (Tianjin) Co., Ltd., ali patsogolo paukadaulo uwu, akupereka mavavu apamwamba kwambiri achitsulo chosapanga dzimbiri kuti apititse patsogolo magwiridwe antchito ndikuwonetsetsa chitetezo pakupanga chakudya. Pamene makampani akukula, ntchito za njira zatsopano zopangira ma valve zikupitiriza kukula, kulimbitsa kufunikira kwawo posunga zakudya zoyenera.