象科亚瓦西（Collahuasi）这样的工程正在走向市场。目前世界铜精矿短缺，显然，可能会出现许多新的铜生产商，但从铜精矿消耗者的观点看，科亚瓦西最吸引人的事情是其规模大、开采年限长。预计该矿服务年限50年以上。铜精矿消耗者关注的是矿山能稳定地供给。鹰桥公司（Falconb Projects like Collahuasi are moving to the market. There is currently a shortage of copper concentrates in the world. Obviously, many new copper producers are likely to emerge. However, the most attractive thing about Coyali, from the perspective of copper concentrate consumers, is its large scale and long-term mining years. The mine is expected to serve more than 50 years. Copper concentrate consumers are concerned about the stable supply of mines. Falconb