1.　2001.8 　According to company strategy "devoting to Environment protection" A new firm was started in HangZhou, the capital of Zhejiang province,that cooperated by Zhejiang University and several concerned units.the firm foucs on all kinds of water and sewage,also the research and development of water treatment agents.

2.　2001.9 　New office building was begun to construct.

3.　2001.10 　5000tons/year poly aluminium chloride project was begun to expand.

4.　2001.11 　bought a factory ,25000m2