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About product and suppliers:
        Alibaba.com offers 22 semipermeable membrane products. About 45% of these are water treatment. 

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

There are 22 semipermeable membrane suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of semipermeable membrane respectively. 

Semipermeable membrane products are most popular in Domestic Market, Mid East, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 8 with Other, 6 with ISO13485, and 4 with ISO9001 certification.