1990’s  The core team involved in water treatment business

2000’s  Established Huzhou Dongyang water treatment equipment, Ltd.

2005’s  Established Huzhou Dongyang membrane R&D Center

2006’s  Acquired Huzhou DongWei engineering company Ltd.

2007’s  Renamed as Zhejiang Dongyang environmental engineering Ltd., launched the production of PES hollow fiber ultrafiltration membrane

2008’s  Awarded member of the membrane Industry Association of China

2009’s   qualified as national high-tech enterprise

2009’s  Established a wholly owned subsidiary of Huzhou Senblue environmental engineering Ltd., launched PVDF hollow fiber ultrafiltration membrane by NIPS process

2010’s  Named as the most investment value of small and medium enterprises in Zhejiang Province

2011’s   Huzhou Senblue environmental engineering Ltd. was qualified as national high-tech enterprise

2012’s   Named as Zhejiang patent model Enterprise

2013’s  The membrane R&D center was qualified as the provincial high-tech enterprise research and Development Center

2014 ’s  Launched the membrane Industry Association of Zhejiang Province, as a vice Chairman of the unit , Zhejiang Province, Director of the film society, launched production PVDF hollow fiber ultrafiltration membrane by TIPS process