凭籍着生产的高水平,低废石比、铜-金-银精矿生产的高效率,布干维尔铜有限公司渡过了前不久波及全世界的经济衰退。在1982年12月完成了四千万美元的投资计划,从而使选矿厂的生产能力提高到130,000吨/日。日采矿石13万吨的露天矿和综合选矿厂,位于巴布亚新几内亚布干维尔岛克朗太子山脉中段茂密的热带雨林之中,在1982年生产含铜28.4%的铜精矿598,634吨(相当于170,004吨 Thanks to the high level of production, the low scrap ratio, and the high efficiency of copper-gold-silver concentrates production, Bougainville Copper Ltd. spent the recession that hit the world not long ago. In December 1982, a $ 40 million investment package was completed, raising the concentrator’s production capacity to 130,000 tons / day. Day mining 130,000 tons of open-pit and integrated concentrator, located in Bougainville Island, Papua New Guinea Crown Prince Rainforest in the middle of the dense tropical rainforest in 1982 produced 28.4% of copper copper concentrate 598,634 tons (equivalent to 170,004 tons