Import Volume of China's Alumina Expect for Artificial Corundum in Jan. 2013 Increased by 9.3% YOY

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<正>The data of China's Custom showed the import volume of China's alumina except for artificial corundum was 488 thousand tons in Jan.2013,increasing by 9.3%YOY;the import value was USD 175.498 million,increasing by 7.8%
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