On December 20, 2019, the first "smart gas · Hangzhou forum" was successfully held in Hangzhou. The forum analyzed the development and application of NB-IOT technology in gas industry in 5g era for nearly 80 technical directors of gas companies present. Viewshine, the sponsor of the forum, aims to link industry resources, connect cross-border resources, in-depth explore the current situation and future pattern of gas industry development, create a platform for joint development, exchange and cooperation, and promote the upgrading and development of the industry.