Ko Chengdu Pujiang County Sewage Treatment Plant i hangaia i te tau 2018, a kua tangohia e te tipu he tukanga maimoatanga waikura ake ake.I roto i te rua waikura o te tipu, i whakamahia tuatahitia te potae rewharewha o Hash II i kawemai mai i te United States.Heoi, i kitea i roto i te whakataurite tonu i runga i te waahi ko nga hua inenga o ta maatau mita hāora rewa he tino rite ki era o Hash.Inaianei kua pai te whakamahi i ta maatau tikanga whakakorikori i te mita hāora rewa ki roto i te whare parakaingaki.
