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About product and suppliers:
        Alibaba.com offers 1,967 flat sheet membrane products. About 40% of these are water treatment, 13% are waterproof membrane, and 1% are geomembranes. 

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

There are 1,967 flat sheet membrane suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of flat sheet membrane respectively. 

Flat sheet membrane products are most popular in Southeast Asia, Domestic Market, and North America. 

You can ensure product safety by selecting from certified suppliers, including 990 with ISO9001, 290 with ISO14001, and 223 with OHSAS18001 certification.