A ranar 27 ga Maris, Ma'aikatar Muhalli da Muhalli ta lardin Anhui ta gudanar da taron manema labarai tare da sanar da cewa, "Ka'idojin gurbacewar iska daga masana'antar siminti na lardin Anhui" (wanda ake kira da "Ma'auni") a hukumance daga ranar 1 ga Afrilu."Standard" ya nuna cewa barbashi na al'ada, sulfur dioxide, da nitrogen oxides da ake fitarwa sune 10, 50, da 100 mg / m3 bi da bi.A matsayin ma'auni na tilas kuma za a aiwatar da shi a ranar 1 ga Afrilu, 2020. Wannan yana ba da ƙarin buƙatu don masana'antar siminti ta amfani da kayan aikin kare muhalli.