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澳大利亚的Sons of Gwalia矿业公司2000年第2季度的钽产量达最高记录。该公司扩产后年生产能力已超过了230万英磅。Sons of Gwalia公司是世界上最大的钽矿之一，其中格林布什斯矿山和活吉纳矿山的扩建工程于1999年已经完工，两矿山每季度的钽生产量可达338950磅。该公司称，他
Australia’s Sons of Gwalia Mining Company recorded the highest production volume in the second quarter of 2000. After the expansion of the company, the annual production capacity has exceeded 2.3 million pounds. Sons of Gwalia is one of the largest tantalum mines in the world. The expansion of the Grimbus Mine and the Vina Mine was completed in 1999. The two mines produce 338,950 pounds per quarter of plutonium. The company stated that he