Kubva Kubvumbi 20 kusvika 21, 2021, yekutanga Fujian Provincial Environmental Sanitation uye Yakachena Technology Equipment Exhibition ichaitwa paLongyan. Vakuru vehurumende, nyanzvi, nyanzvi uye vamiriri vebhizinesi vakaungana kuti vakurukure nyaya dzinopisa dzeindasitiri yezvakatipoteredza. Muchiratidziro ichi, tekinoroji yejiarong yakaratidza michina yekutyaira, tekinoroji yekufambisa leachate kurapwa, tekinoroji yekurasira leachate ZLD kurapwa tekinoroji.
