Wuping County, known as the "natural oxygen bar", pays close attention to the coordinated development of urban and rural areas, and implements the construction of township sewage treatment plants as an important environmental protection infrastructure project, and has built 16 township sewage treatment plants and supporting pipe networks, of which the first phase of the sewage treatment plant in Taoxi Town, Wuping County, is a daily treatment capacity of 1,000 tons, the total length of the supporting pipe network is about 2.135 kilometers, and the total investment is about 8.5 million yuan.

The water quality monitoring instrument in the sewage treatment plant of Taoxi Town adopts Probest brand PCM300-CODcr chemical oxygen demand analyzer, PCM300-NH3N ammonia nitrogen water quality online automatic monitor, PCM300-TP total phosphorus water quality online automatic monitor, PCM300-TN total nitrogen water quality online automatic monitor, PPH-500 PH online analyzer, PRO-900 data acquisition and transmitter.

In this project, Probest instrument operates stably, ensuring the accuracy and stability of monitoring data at the inlet and outlet of Taoxi Town Sewage Treatment Plant, providing important data support for urban and rural water environment construction, and helping the green and scientific development of urban and rural areas.