Gongyi Filter Industry Co., Ltd.

My house is on the ground floor is a garage, the garage as a warehouse, and stored in the water puri

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2017-12-07 13:36:03

Polyacrylamide, basic aluminum chloride, ferrous sulfate, aluminum sulfate, polymeric ferric sulfate and the like. Although these things can not eat (nonsense) harmless, commonly used purifying agent are polyaluminum chloride, polyaluminum chloride