As the new year is coming, KeenSen Technology Co., Ltd., is pleased to announce that KeenSen Industrial reverse osmosis membranes, have successfully approved NSF/ANSI 61(National Sanitation Foundation) test in December 18, 2017. An official listing can be found on the NSF website at "www.nsf.org"
As the second Chinese separation membranes manufacturer certificated with both NSF58 and NSF61, It proves Keensen membraness are well recognized by international market.