What is pushing up the price of copper and other base metals?

是什么在推高铜和其他基本金属的价格？

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Data showing that Chinese imports of copper and aluminium had increased helped push up the price of base metals, too.

数据显示中国对铜铝的进口增长也促使了基本金属价格的上涨。

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Like the base metals of copper, aluminium, zinc and nickel, speciality metals are driven by industrial activity.

与铜、铝、锌和镍等贱金属一样，特种金属也受到工业活动的推动。

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In base metals, copper imports actually set a new record of 406, 937 metric tons.

FORBES: For China, It's Slowdown Shmoedown

China represents 42% of global demand for the four main base metals: copper, zinc, nickel and aluminum, so its decisions regarding how to direct its state-run economy are paramount to the outlook for these commodities, she said.

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Unlike recycling of popular base metals like copper and aluminum which might make up a large portion of an object, the problem with trying to increase recycling of specialty metals is that they are used in only sparingly in the high-tech equipment.

FORBES: INTERVIEW: Recycling Of Specialty Metals Needs Improvement - Yale Researcher