受铜矿资源条件的限制,祖国大陆铜市长期以来处于短缺的局面,每年需要大量进口,以弥补市场缺口。直至今日,铜资源短缺的矛盾仍需通过进口解决。不过,随着市场经济不断完善,与国际市场更加融通,铜资源的进出口结构发生了明显的变化。一是在九十年代初以前,大陆主要以进口精铜为 Due to the limitation of the resources of copper mines, the copper market in the motherland has long been in a shortage situation and needs to be heavily imported each year to make up for the market gap. Until today, the contradiction between the shortage of copper resources still need to be resolved through imports. However, as the market economy continues to improve and become more integrated with the international market, the import and export structure of copper resources has undergone significant changes. First, before the early nineties, the mainland mainly imported fine copper