Group 1: Event Overview - The investor relations activity was held on May 25, 2015, from 14:30 to 17:00 [1] - The event took place at the Yingze Hotel in Taiyuan, Shanxi Province [1] - The meeting was an online collective explanation of the 2014 annual performance [1] Group 2: Participants - The event was attended by a large number of investors [1] - Company representatives included Mr. Fan Tingrang (Executive Vice President), Mr. Tang Jianxiong (Vice President and CFO), and Mr. Wang Yili (Vice President and Board Secretary) [1] Group 3: Content Focus - The discussion was based on the company's 2014 annual report, covering strategic development, business operations, and innovative business aspects [1][2] - Investors were encouraged to ask questions related to the performance meeting [2]