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        1.Luotuowan Sewage Treatment Plant in Xinxiang City, Henan Province, with a daily treatment capacity of 150000 tons, is the user unit of our company's microporous aerators that have been operating for a long time. Previously, we purchased our pipe aerators in 2009; In 2015, the sewage treatment plant installed the slat type aerator produced by our company for the replacement of aeration pipe of No. 3 A/O tank, which was put into operation in May 2016 and has been in operation for more than 5 years. The sewage plant will be expanded and reconstructed in 2020. The lifting slat type aerator produced by our company will be used, and the operation is normal and the effect is good.

        2. Fujian Xiamen Xinglin Sewage Treatment Plant has a daily treatment capacity of 45000 tons. Since the plant was put into operation with slat aerators in 2018, it has been operating normally with good results.

        3. Tong'an Sewage Treatment Plant in Xiamen, Fujian, with a daily treatment capacity of 100000 tons, is a long-term user of our company. As early as 2009, our company used our company's oxidation ditch rotary disc aerator. During this period, our company was responsible for several transformations. Now, our company has carried out two standard upgrading transformations in 2019 and 2020, using our company's lifting slat aerator, which has greatly improved the treatment effect.


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