Pengxi County, Suining City yog qhov chaw ntawm "Hiav Txwv Liab ntawm Tuam Tshoj".Cov chaw kho dej hauv zos siv peb lub ntsuas pH, ORP meter, fluorescent yaj oxygen meter, turbidity meter, sludge concentration meter, ultrasonic qib ntsuas thiab lwm yam ntsuas.Sinomeasure meters muab ob "ob lub qhov muag" txhawm rau txheeb xyuas qhov tsis tseem ceeb hauv cov txheej txheem dej phwj tuaj thiab ua kom ntseeg tau tias cov dej ntws mus txog cov qauv kev lag luam.
