KeenSen Technology Co., Ltd.,was established in May, 2010, is a high-tech company, specializing in professional separation membrane production and applications with its head office located in the High-tech Industrial Development District in Changsha, China.The RO membranes and NF membranes and related membrane elements of KeenSen can be widely used in more than 50 industries, including water treatment projects, environmental restoration project etc. They are green products serving the construction of “Two-Oriented Society” and considered as high tech core products which will help human race to up against resource shortages and environment pollution.For more details of products and the company, please visit www.keensen.com. pls don't hezitated to contact me if you have interest and questions .