we can supply Ferro niobium for you at good quality and favor price.welcome to contact us. we can supply Ferroniobium for you. Origin:Brazil and jiangxi province,China.Content:Nb 60%-70% and 70%min.Composition:Fe,Nb+Ta,Ta,Al,Si,C,S,P,W,Mn,Sn,Pb,As,Sb,Bi,TiQuantity:200MT If you interest in our product, please feel free to contact us,we will make the detailed offer for your reference.