1992: Duoyuan was founded;
1994: Duoyuan's manufacturing plant was built in Beijing;
1996: Duoyuan obtained ISO9001 certification;
1998: Duoyuan started to manufacture water purification equipments, and passed ISO14001 certification;
2000: Duoyuan's manufacturing plant in Langfang was built;
2001: Duoyuan started to manufacture sewage and wastewater treatment equipment; Duoyuan central water purifier was awarded the national-level new product of traditional Chinese medicine and the Beijing Torch Project;
2003: Post-doctoral R&D center for water treatment was established;
2004: Duoyuan was certified as the famous trademark in Beijing; Duoyuan was awarded the title of high-tech enterprise in Beijing;
2009: Duoyuan Global Water was successfully listed on the New York Stock Exchange; entered the valve manufacturing and agricultural irrigation fields;
2011: Duoyuan's stabilized production base was completed.
On June 2, 2012, the NYSE announced the delisting of Duoyuan Global Water's American Depositary Shares.