high quality pure niboum foil
niobium foil, niobium coil purity 99.5% ISO9001:2000 approval offer with competitive pirce and short delivery time
niobium foil, niobium coil purity 99.5% ISO9001:2000 approval offer with competitive pirce and short delivery time
size: producing according to customer's request.
high quality pure niboum foil
