90年代以来,铅、锌一直是我国外贸大量出口的基本有色金属,多年来外贸一直呈较大的顺差。但近年来,由于国内经济持续、健康、稳定的发展,在国际经济发展速度多年迟缓的情况下,一些境外资本为寻求获利和发展,大量涌入我国。外资的涌入既使我国获得大量的资本,也使得“原料”(含各类金属,下同)的进口增加。这样, Since the 1990s, lead and zinc have always been the major non-ferrous metals exported by China’s foreign trade in large quantities. The foreign trade has been showing a large surplus over the years. However, in recent years, due to the sustained, healthy and steady development of the domestic economy, some foreign capitals have flooded into our country in search of profit-making and development under the conditions of a long period of slowdown in the international economic development. The influx of foreign capital not only makes our country obtain a large amount of capital, but also increases the imports of “raw materials” (including all kinds of metals, the same below). such,