On January 2019, Sixei Ltd. Co. signed contrat to install an odour collecting system and odour treatment system for the garbage classification plant of Quang Trung Landfill, Thong Nhat district, Dong Nai province.
When accomplished, the treatment system is capable of eliminating the bad odour for an area of 2200 m2. Treated gas stream meets the National Technical Regulation on Hazardous substances in ambient air QCVN 06:2009 / BTNMT.