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Anionic Cationic Polyacrylamide PAM Granules Flocculant for Wastewater Treatment 25kg Bag, Find Details and Price about Cationic Polyacrylamide Anionic Polyacrylamide from Anionic Cationic Polyacrylamide PAM Granules Flocculant for Wastewater Treatment 25kg Bag - Henan Secco Environmental Protection Technology Co., Ltd.