Magnesium Sulphate Heptahydrate, our own bag design!Issue Time:2018-07-17For developing overseas business, our company designed a bag of our own!If you need magnensium sulphate Richin mgso4 , welcome to contact us! Previous Regular checking for magnesium oxide (caustic calcined magnesite&dead burned magnesia)Next 1500mts magnesium sulphate heptahydrate to South America