... ., Ltd. is a joint venture of Jiangxi Golden Dragon Mining Co., Ltd. Of Jiangxi, and the United States K ... own mine, with the proven reserve of tungsten ore 500, 000 tons, with the ... production capacity of an annual output of 3, 000 tons of black Tungsten, 5, 000 tons of APT, 3, ... 000 tons of tungsten metal powder, 2, 000 tons of ...