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About product and suppliers:
        Alibaba.com offers 177 r o membrane products. About 53% of these are water treatment, 1% are waterproof membrane. 

A wide variety of r o membrane options are available to you, such as free samples. 

There are 147 r o membrane suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Taiwan, which supply 87%, 4%, and 2% of r o membrane respectively. 

R o membrane products are most popular in Domestic Market, Mid East, and South Asia. 

You can ensure product safety by selecting from certified suppliers, including 60 with ISO9001, 13 with ISO14001, and 11 with ISO13485 certification.