Ⅰ.氧化铝篇1.氧化铝市场回顾与分析1.1国际氧化铝市场2005年,世界冶金级氧化铝的总产能约6200万吨,2005年冶金级氧化铝的产量达到6131万吨,世界氧化铝产能几乎是满负荷生产,氧化铝供需仍有99万吨缺口,这是2005年氧化铝国际市场价格大幅上涨的重要原因之一。2006年国际在建的氧 I. Alumina articles 1. Alumina market review and analysis 1.1 International alumina market In 2005, the world’s total capacity of metallurgical grade alumina reached 62 million tons. In 2005, the output of metallurgical grade alumina reached 61.31 million tons. The world alumina Production capacity is almost full capacity, alumina supply and demand is still a gap of 990,000 tons, which is one of the important reasons for the substantial increase in the alumina market in 2005. International oxygen under construction in 2006