Chinese-language online media STCN.Com reporters interviewed Ji Yong, General Manager and Chairman of Guizhou Haotian Optoelectronics Technology Co. (Guizhou Haotian Opto), during the 10th OfWeek LED Seminar 2013 and OfWeek LED Awards in Shenzhen on Nov. 15, 2013. Ji shares his observations on the sapphire substrate market developments and the impact from GT Advanced Technology (GTAT) and Apple partnership.