According to customer demand, the advantages and uses of the packaging: 1 niobium has good corrosion resistance, high temperature strength, can be used as the nuclear energy reactor structure materials and the package of nuclear fuel, but also as a nuclear fuel additives. 2 niobium and niobium alloy in high temperature can maintain a high strength and good processing performance, can support the thin plate and complex parts, in some ultra high speed aircraft, spacecraft, satellites, missiles and supersonic low altitude rocket can be used as a preferred thermal protective materials and structural materials.