Uruganda rwa Beijing Dongcun rugizwe n’uruganda rwa mbere rutunganya imyanda ya komini mu Bushinwa rufite “imyanda kama anaerobic fermentation y’ubuvuzi bw’ibinyabuzima” nk’umubiri nyamukuru. Umushinga wo gutondekanya Dongcun urimo cyane cyane uburyo bwo gutondeka no gutunganya, sisitemu yo kubyara biyogazi ya anaerobic, nibindi, kugirango guta imyanda bitagira ingaruka kandi bifite imbaraga. Mu mushinga wo gutunganya imyanda, dukoresha amashanyarazi menshi ya electroniki ya magnetiki yikigo cyacu, zikoreshwa cyane mugukurikirana imigendekere ya buri nzira ihuza uruganda rutunganya imyanda.
