About product and suppliers:
            620 nanofiltration membrane products are offered for sale by suppliers on Alibaba.com, of which water treatment accounts for 76%, water filter parts accounts for 14%, and water filters accounts for 3%. 

A wide variety of nanofiltration membrane options are available to you, 

There are 617 suppliers who sells nanofiltration membrane on Alibaba.com, mainly located in Asia. The top countries of suppliers are India, China, and India, from which the percentage of nanofiltration membrane supply is 1%, 98%, and 1% respectively.