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High purity alumina demand will ncrease sharply

 
Led and optical requirements are the two main demand on high purity alumina,calculate on 2inches crystal bar we estimate it will reach 80million mm in 2014,and it will reach 109million at 2015.
This will lead a great demand on high purity alumina and many chinese company has ramped up production capacity like zibohonghe chemical co.,ltd.
As led used sapphire crystal is a great quantity and price is stable so many sapphire manufacture willing to do supply this type of sapphire crystal.This led great demand of high purity alumina on sapphire crystal growth.