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Polymeric Ferric Sulfate Pfs Fe 21% Solid Powder Wastewater Treatment 2mt MOQ, Find Details and Price about Polymeric Ferric Sulfate Pfs Ferric Sulfate Water Treatment from Polymeric Ferric Sulfate Pfs Fe 21% Solid Powder Wastewater Treatment 2mt MOQ - Shenzhen Hengjiesheng Environmental Protection Technology Co., Ltd.