Since its establishment on June 7, 1994, Yingtelai has gone through a glorious history of 30 years. In order to celebrate the 30th anniversary of Interley, the company held a celebration conference on June 7, 2024. The leaders invited to attend the conference are: One of the founders of the company, Mr. Sun Qing, Chairman of Beijing Sino-US Blue Sky Energy Saving and Environmental Protection Technology Co., LTD., Mr. Li Engine, Vice Chairman of China Fire Protection Association, Mr. Guo Shouzhi, the first chairman of the company, Mr. Fan Jianqiang, the second chairman, former shareholders of the company, Mr. Feng Jianhua, former general manager of Beijing State-owned Assets Management Company, Mr. Zhang Shufeng, director of the company, and Mr. Li Precious, former president of Beijing Chaoyang Court, attended the meeting.