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suplee(½ð±Ò+2): ¸Ðл¼°Ê±Ó¦Öú°¡(*^__^*) 2011-12-27 11:53:53
In 2010, in China the amount needs of propene is up to 1.905 million tons and the needs shortage is 8.251080 million tons.

In 2011, the needs for ethene worldwide might increase about 5% based on needs in 2010 and the total amount could be about 1150 million tons per year while needs for propene increases about 5% to 7.35 million tons per year.
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