美国熔炼精炼公司(Asarco)已经着手拟定一项豪迈的、投资2.6亿美元的三年规划,以扩大其采、选、冶的生产能力,并排除对外来铜精矿的依赖,但是并不增加冶炼厂和精炼厂的生产能力。该公司以前为埃尔帕索冶炼厂从拉丁美洲购买了大部分精矿,但由于日益激烈的市场竞争,现已 Asarco is already working on a bold three-year plan to invest 260 million U.S. dollars to expand its mining, smelting and smelting capacity and to exclude its dependence on exotic copper concentrates, but not to increase Smelter and refinery capacity. The company previously purchased most of the concentrate from Latin America for El Paso Smelter, but due to the increasingly fierce market competition,