Kosvida Agri-chemical Co., Ltd. (remane OCI Vietnam Co., Ltd.) located at DT743, Binh Thang Ward, Di An District, Bình Dương Province. The company was received Certificate of ISO 9001:2008 and ISO 14001:2004 by QCA.

The wastewater treatment plant of Kosvida has a capacity of 600 m3/day with technological diagram as follows:

Domestic and processing wastewater → Inlet pump sum → Equalization tank → Mixing and coagulation tank → Sedimentation → Anoxic tank → Aeration tank → Clarifier → Advanced Oxidation Processes → GAC filter → Disinfection tank

Sludge from sedimentation and Clarifier → Thickener → Belt Press → Dried Sludge collected and handled

The effluent reaches QCVN 40:2011/BTNMT was approved by DONRE of Bình Duong.