2005 although the profit amplitude of instrument bearing industry is controlled in 30 ％ , but Xi Jiacheng points out, because some is big inside course of study,this basically is on the enterprise year considerably deficit, twisted what what cause fortunately 2005. Actually, as competitive aggravate, the gain space of instrument bearing industry is narrowing increasingly, accordingly, xi Jiacheng estimates, the amplitude of profit of entire 2006 industry should be in 20 ％ or the following. (Shellfish)