The 17th China International Optoelectronic Expo will take place from Aug 31- Sept 1, 2015 in Shenzhen. And we will attend the exhibition, our company is at the 8 hall, the booth number is 8H01 and 8H02. Welcome to our booth. In the exhibition, we will show our products like the traditional AIM series Optoelectric autocollimator, OptAIM series sphere lens test station and so on. Also ,we will show some new products like the lens eccentric measurement and the contrast angle measuring instrument and some other mysterious products.