国际金融危机是造成本轮矿产品价格大幅下跌的主要动力。但还有下游产业需求下降、国际国内炒家抛售、期货市场推波助澜、调控措施落实不力等深层次的原因。下游产业需求下降由于国际金融危机的影响,使得国内外制造业、建筑业出现大面积需求萎 The international financial crisis was the main driving force behind the sharp drop in mineral prices this round. However, there are also deep-seated reasons such as the drop in the demand of downstream industries, the sell-off by international and domestic speculators, the fueled futures market and the ineffective implementation of regulatory measures. Downstream demand for the industry due to the impact of the international financial crisis, making the domestic and foreign manufacturing, construction industry appears large-scale demand wilt