Rice hulls(husks), magnesium oxide, magnesium sulfate heptahydrate, magnesium sulfate anhydrous, copper sulfate pentahydrate, zinc oxide, zinc sulfate monohydrate, animal feed grade and technical grade products, additives, supplements
Raw material products, basalt, iron oxides, calcium carbonate, gypsum, kaolin, quartz, phosphate rock, talc rock, silica sand, manganese oxide and any type of glass cullet
