On Nov 22, 2015, the second council of Tianjin steel structure association and the chairman of the annual meeting of the chairman of the steel structure society of Tianjin in 2015 held a grand opening in the first winter snow in 2015. The meeting was organized by tianjin institute of steel structure and tianjin society of steel structure, and hosted by Tianjin kangda Membrane Structure Engineering Co., Ltd. Swirling snow did not stop the enthusiasm of the delegates attending, Tianjin steel structure association director, vice director of tianjin steel structure association, vice President, treasurer, member and so on more than 30 people take snow came to Tianjin kangda Membrane Structure Engineering Co., Ltd to attend the meeting.