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China’s production of tungsten products mainly includes tungsten ore concentrates and a series of intermediate tungsten products such as ferro-tungsten, tungstic acid, sodium tungstate, calcium tungstate, tungsten trioxide, tungsten blue oxide, ammonium paratungstate, ammonium metatungstate, tungsten powder etc. During the period between 1949-1997, China produced 1.85 million tons of tungsten ore concentrates, in which 873,000 tons were exported with US$3.1 billion in value.
China’s production of tungsten products mainly includes tungsten ore concentrates and a series of intermediate tungsten products such as ferro-tungsten, tungstic acid, sodium tungstate, calcium tungstate, tungsten trioxide, tungsten blue oxide, ammonium paratungstate, ammonium metatungstate, tungsten powder etc. the period between 1949-1997, China produced 1.85 million tons of tungsten ore concentrates, in which 873,000 tons were exported with US $ 3.1 billion in value.