Yinchi ndi akatswiri chopunthira mizu ya madzi a wasterwater opanga ndi ogulitsa ku China, omwe amadziwika ndi ntchito zathu zabwino kwambiri komanso mitengo yabwino. Ngati muli ndi chidwi ndi makonda athu komanso otsika mtengo chopunthira mizu ya madzi a wasterwater, chonde titumizireni. Timagwiritsa ntchito fakitale yathu ndikukupatsirani mndandanda wamitengo kuti muthandizire. Tikukhulupirira moona mtima kukhala bwenzi lanu lodalirika kwa nthawi yayitali!