Founded in 1999, our company is professional manufacturer of magnesium sulfate, ammonium sulfate ferrous sulfate, manganese sulfate, zinc sulfate. Depending on advanced equipment and high technique, we ensure the high quality and stable product. Magnesium sulfate product can reach standard of Chinese Pharmacopoeia 2010, USP,BP. And magnesium sulfate anhydrous can reach standard of analytical reagent. Annual output of magnesium sulfate is above 50000 metric tons. We not only capture great part of domestic market, but also export to Europe, USA, Japan, Australia, South America, South Africa and...