In 1992, Duoyuan Company was established;

In 1994, a manufacturing plant was built in Beijing;

In 1996, it obtained ISO9001 certification;

1998: The company began to manufacture water purification equipment and passed ISO14001 certification;

2000: Duoyuan Langfang Manufacturing Plant was built;

2001: The company began to manufacture sewage and wastewater treatment equipment; Duoyuan Central Water Purifier won the national-level new traditional Chinese medicine product and the Beijing Torch Project;

2003: Established a postdoctoral water treatment R&D center;

2004: Duoyuan was certified as a famous brand in Beijing trademark; won the title of Beijing High-tech Enterprise;

2009: Duoyuan Global Water was successfully listed on the New York Stock Exchange; involved in valve manufacturing and agricultural irrigation;

2011: Duoyuan Company The Anding production base was built.

On June 2, 2012, the New York Stock Exchange announced that it would delist the American depositary shares of Diversified Global Water.