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China Water treatment agent catalog of Industrial Chemicals Poly Ferric Sulfate, High Quality Low Price Polyferric Sulfate Pfs for Water Treatment provided by China manufacturer - ., page1.
Longwater® Poly Ferric Sulfate(PFS) as a kind of high effective inorganic chemical polymers coagulant or flocculant used in in wastewater & drinking/potable water treatment. Longwater® Polymetric Ferric Sulfate is manufactured by National Standard and almost equal to ANSI/AWWA Standard, JIS Standard, NSF Standard.
