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About product and suppliers:
        Alibaba.com offers 123 r.o. membrane products. About 65% of these are water treatment. 

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

There are 123 r.o. membrane suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of r.o. membrane respectively. 

R.o. membrane products are most popular in Domestic Market, Southeast Asia, and North America. 

You can ensure product safety by selecting from certified suppliers, including 69 with ISO9001, 17 with ISO14001, and 11 with ISO13485 certification.