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| Primorsk Tungsten Mine Improves Concentration Technology
Primorsk mine is Russian largest tungsten producer. The mine, which produces annual 4,000-5,000 tonnes of concentrate, ships 1,500 tonnes of tungsten concentrate for Japan via Japanese rare metal trader, Advanced Material Japan. The mine is alternative stable source of tungsten for Japan, which depends more than 90% of tungsten on import from China.  |
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