... , desulfurizationagents and alloy additives during the production of steelmaking; Medium & Low carbon ferromanganese are the main raw materials for ... 90%min, or at customers’ option;Packing: In 1MT big bag;30mesh, 60mesh, 200mesh, 300mesh, or at customers’ option;Packing ... : In 1MT big bag, or Packing in 500kgs, 1000kgs Iron Drum; Medium Carbon Ferro Manganese