... Production Base, Baoji in Shaanxi , China.Our company holds Tantalum, Niobium as the dominant products in the scope of rare metal ... sorts and grades of their metals, Such as plate, sheet, foil, tube/pipe, wire, rod/bar, flanges, standard parts, crucible, ... as their alloy. Niobium sheet Niobium foils Niobium plates :Material: RO4200-1, RO4210-2Size: Thickness (mm) Width (mm) Length (mm)Foil 0.03-0 ...