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Effect display of ferric sulfate for domestic sewage treatment in Nanjing



Nanjing sewage treatment plant tried out positive source polyferric sulfate, and the effect was satisfactory. The contract for supply of 2000 tons of liquid ferric sulfate was signed on the spot
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The title of the article you are looking at is: Effect display of ferric sulfate for domestic sewage treatment in Nanjing :http://oasisamirhotel.com/xgzs/65.html
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