The domestic sewage treatment plant in Xuzhou District, Yibin City mainly treats domestic sewage in this area to ensure that the sewage discharged to the Jinsha River meets the discharge standards. In the process of wastewater treatment in the factory, the factory leaders selected our pH meter, fluorescent dissolved oxygen meter, sludge concentration meter, electromagnetic flowmeter and vortex flowmeter and other online instruments in batches to realize the important monitoring in the relevant sewage treatment process. parameter.