... not coated... Changzhou Xili Alloy Tools Co., Ltd. is a joint venture of Jiangxi Golden Dragon Mining Co., Ltd. Of Jiangxi, and the United States ... K Engineering Co., Ltd., It's from 2002, ... with the production capacity of an annual output of 3, 000 tons of black Tungsten, 5, 000 tons of APT, 3, 000 tons ...