Chida cha HFNC chimayenda bwino chambiri chambiri cham'mimba chidzimadzi chomwe chimayambitsa matenda ochokera ku China chimakhala ndi zida zatsopano, pogwiritsa ntchito kuchokera ku China njira yosinthira Ndife opanda chilichonse mwatsatanetsatane wa chiwongola dzanja cha HFNC chambiri cha oxal Natul Natulatory Chimodzi mwa kupuma mobwerezabwereza ku China chofiyira kuchokera ku China Wokhala ndi mbiri yakale yachi China .