... Co., Ltd. is a joint venture of Jiangxi Golden Dragon Mining Co., Ltd. Of Jiangxi, and the United States K Engineering ... tons of tungsten metal powder, 2, 000 tons of tungsten carbide powder, and 1, 500 tons of mixture. It's a ... science and technology enterprise capable of tungsten mining, ore dressing, smelting, and milling, In addition, it and has ...