1) ISO 9001:2008 Company 2) Magnesium Sulphate Heptahydrate 3) HS Code 28332100 Magnesium Sulphate HeptahydrateMolecular Formula: MgSO4nH2O(n=0,1,2 ... additive, Ferment, Plastics, Fertilizer , Commodity etcsFunction of magnesium sulfate:Magnesium is the center element of chlorophyll,photosynthes can't go ... and dehydration agent of feed and fertilizer. Magnesium Sulphate Heptahydrate( HS Code 28332100)