China· Changsha Hunan University College of Metallurgical and Environmental Engineering Visit Exchange Activity Invitation 9/21—9/22 Henan Tianchen Xinjiang Environmental Science and Technology Research Institute INVITATION Dear leaders Thank you for your long-term care and support. The company attaches great importance to the exchange activities with universities, and in order to further strengthen the cooperation with the academic circle, the company plans to hold a two-day visit and exchange activity from September 21st to 22nd with Prof. Chaili Yuan, an academician of the Chinese Academy of Engineering and President of Hunan University College of Metallurgical and Environmental Engineering. We sincerely invite you to attend this event. Looking forward to your arrival! - Sincerely invited - INVITATION Looking forward to your presence - Activity Schedule - 13:57-17:49 Take G337 (Zhengzhou East to Changsha South) 18:00-18:30 Arrive at Hunan University 18:30-20:30 Dinner September 21st