In 2016, our company undertook the integration project of rural sewage treatment in Quanjiao County under the PPP mode. Including the construction and operation of sewage treatment facilities in 5 central villages (implementation scale of 190 tons/day) and the transformation and operation of sewage treatment facilities in 23 beautiful villages, the total scale (2810 tons/day), one-time contract, including investment, planning and design , Construction and operation management. Mainly use three specifications of MSC-MBBR equipment of 75 tons/day, 150 tons/day and 250 tons/day, a total of 38 MSC-MBBR equipment, with a total processing capacity of 3,000 tons/day.