Mu gace k’uruganda rutunganya imyanda ya Longyan i Nanchuan, Chongqing, ibikoresho byo gusesengura ubuziranenge bw’amazi ya Sinomeasure: metero pH, umwuka wa ogisijeni ushonga, metero y’imyanda, metero y’ibikoresho hamwe n’ibindi bikoresho byakoreshejwe neza mu buryo bwo gutunganya imyanda, ibyo bikaba binonosora neza ukuri kwa isesengura ry’amazi kandi ryizeza imikorere myiza n’umutekano wo gutunganya imyanda.
