Keensen Environmental High Tech Co. Ltd was established in May 2010. The company is located in Changsha High-tech Industrial Development Zone and its registered capital is 30 million RMB. Keensen is a professional NF membrane and NF membrane elements manufacture factory and also concentrates on water purification engineering applications. The company imported its nanofiltration membrane technology and manufacture facility from the United States, including full automated element production lines. And build the most advanced membrane and membrane device performance testing center, membrane technology research centers and technology production, analysis and quality management.