We can supply feed grade, fertilizer grade ,industry grade manganese sulphate monohydrate,please see the detail as follows: Name:Manganese sulphateUsed as feed additive, also as material of microelement fertilizer and other chemical industrial products.Quality Specifications: Molecular Formula:MnSO4.H2O 98% min Content (%):Mn:31.8% min, Pb:10ppm max, As:5ppm max Appearance: White or light pink powderPacking: 25kg/1000kg N.W. each, in PP woven bag