5N ultra-high purity W > 99.999% and above high purity tungsten metal products, carry out import and export and international trade business for the global market 5N超高純度W > 99.999% 以上產的高純度鎢金屬產品，開展面向全球市場的進出口與國際貿易業務。

Ultra-high purity forged tungsten rods (purity W > 99.999%) have excellent thermal conductivity, electrical conductivity, and high temperature resistance, and are widely used in scientific research, industry, and military fields. 超高純度鍛造鎢棒（純度W > 99.999%），具備優異的熱導、電導及耐高溫性能，廣泛應用於科研、工業與軍工領域。