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       We have used the  Mannheim method domestically to produce potassium sulfate. Mannheim is a relatively mature method to produce potassium sulfate, which refers that potassium chloride and sulfuric acid react in Mannheim furnace at the high temperature and then generate hydrogen chloride and potassium sulfate. This advanced technology can reduce energy consumption and benefit to equipment longevity, and the by-product hydrogen chloride can be used for trichlorosilane production, which further optimizes our recycling industrial chain. On the basis of Mannheim method, we can produce powder, granular, standard and water-soluble high-quality potassium products according to customer’s needs.