Mainly used for making dryer of ink and paint, catalyst of synthetic fatty acid, manganese compound; electrolyze metallic manganese, dyeing manganese oxide; and for printing and dyeing paper making, porcelain and ceramic paint, medicine and other industries. It can cure diseases caused by manganese insufficiency, such as growth badness, short bone, loose bone, slow growth, etc. Mesh size: 5 - 7 mesh, 7 - 14 mesh, 20 - 40 mesh and powder (through 40 mesh), or to the request of customers.Packing: In 25kg or 50kg plastic woven bag with plastic liner inside. 1,000kg big bag