Tungsten bars, rods, profiles and profiles plates, sheets, strip and foil of a deeper level of processing products export tariffs, so the 5% export tax rebate policy will continue. It can be understood, at least for now, for this type of tungsten production and exports, the country is still allowed, and even encouraged.
2013年8月23日星期五
Introduction and use of tungsten
Tungsten wire
(English TungstenAlloys; abbreviated W-Alloys) (a) Product description: Tungsten gold is rare in the world a colored minerals, annual output is very low, very versatile ingredient of material is mainly used for casting. Tungsten ore from a white sand, ore line especially tiny, after mining, milling, water re-election, refining and other multi-channel technology, get up 95_ above grade tungsten ore, and then through the high-temperature furnace to produce refined shape the finished product is tungsten. Melting point of tungsten: 3500 ℃. Tungsten present mainly in China and Russia, China is now the world's largest exporter of tungsten. Typically the purity tungsten should at 99.95_ or more, and must be issued by authority of the examination and analysis test reports, for example: non-ferrous metals and electronic materials analysis and testing center analysis test report. (Two) Usage: 1, processing car knife blade, tungsten lighting equipment and a variety of thermal conductivity with 2 advanced automobile crankshafts, cylinder ingredients, heat-resistant steel casting various ingredients 3, widely used in firearms, artillery, rockets, satellites, aircraft and ship
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