Productivity: 4,080 m3/day and night Fonff wastewater treatment system is certified by QCVN 13-MT:2015/BTNMT (National technical regulation on textile industry wastewater) and QCVN 40:2011/BTNMT (Regulation national technical standards on industrial wastewater). Part of the treated wastewater is reused and the rest is discharged into the Vam Sun River. The wastewater treatment system is always effective, stable and meets international standards.