CERI is committed to the research, development and application of technologies of fresh industrial water treatment and chemical water preparation, industrial sewage and wastewater treatment and reuse, industrial wastewater treatment and reuse of high difficulty, and concentrated brine treatment. The achievements have been put into use in Beijing, Tianjin, Tangshan, Chengde, Xuanhua, Yingkou, Anyang, Benxi, Ningxia, etc., with advanced system indicators, stability and reliability.