Nanjing Naco Water Treatment Technology Co., Ltd. originated from  Nanjing Naco Fine Chemical Technology Development Company, which was establsihed by Nanjing University of Chemical Technology in 1992. 

Nanjing NACO is a technology and production entity that develops, produces, and sells the finest chemical products and supporting intelligent monitoring instruments and analytical instruments that are mainly based on the latest domestic and international water treatment chemicals. And it can undertake water treatment projects, water treatment technical services and technical consulting. 

Nanjing NACO has rich field experience and strong technical force. General Manager, Professor Hongli Shen has been engaged in water treatment research, development and production for nearly 50 years, and enjoys special allowances from the State Council. He has presided over related water treatment scientific research projects entrusted by the Ministry of Chemical Industry, China Petrochemical Corporation and the Ministry of Energy. He won various provincial and ministerial awards. He participated in the formulation of nearly 100 national and professional standards in industrial water treatment. He independly developed JN series of water treatment products, and undertook the development of DTPMP, which was requested by China National Science and Technology Commission to treat high hardness and high alkalinity water. This water treatment chemical has been used by more than 30 enterprises so far, and has been exported to the United States, Taiwan and Southeast Asia as well as other foreign countries.