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The current magnesium sulfate heptahydrate process, which was originally an open production method in family workshops, is no longer fully capable of meeting the current production demands. Over the past twenty years of production, our company has continuously updated and improved the production process. We have changed from high-temperature drying to natural air drying, which has completely controlled the phenomenon of material caking. The natural crystallization method has completely replaced the chemical raw material crystallization method. The chemical raw material crystallization method makes the product contain certain organic components. Implement fully enclosed reactions and crystallization to ensure a clean working environment and the improvement of product quality.