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Welcome To Rongdechem For Water Treatment rongdechem in the North China,supply roller dry & spray dry polyaluminium chloride for drinking water treatment. Keyword: 30% , aluminum , chloride , content , dry , dry , liquid| , pac|polyaluminium , pac|spray , pac|white , pac|yellow , roller www.rongdechem.com Add Url or Add Site to Submit Site to the pac|white Directory |