(1) Oilfield wastewater treatment

(2) Treatment of oily sewage in refineries

(3) High concentration refractory COD sewage treatment

(4) Treatment of oily emulsion in steel plant

(5) Industrial circulating water sewage treatment

(6) Electroplating wastewater treatment

(7) Papermaking wastewater treatment

(8) Printing and dyeing wastewater treatment

(9) Textile wastewater treatment

(10) Metal processing wastewater treatment

http://www.khnwatertreatment.com/