1.high purity molybdenum bar 2Application:electron, aviation, aerospace, electric light, electron- vacuum ... metal materials. The products are exported to many countries, such as the USA, Japan, Germany, Australia, Canada, India, and ... elements, heat insulation screens, furnace bodies and corrosion-resistance parts as well. Materials include Tungsten, Molybdenum, Tantalum, Niobium, Titanium, Nickel, ...