Our main products: 1.Ammonium Sulfate 2.Magnesium sulphate heptahydrate 3.Borax Decahydrate granular 4. Ammonium Chloride Our main market is Japan, NewZealand, Korea, USA and Australia, Singapore, ect. Especially in New Zealand, this product sells very well. Because in New Zealand it rains a lot, magnesium oxide can release a large number of magnesium element, which can adjust the soil PH value, ...