Over the past 30 years of reform and opening up, China's convention and exhibition industry has developed rapidly in various cities, with Beijing, Shanghai, Guangzhou, Shenyang and Chengdu being the most active five convention and exhibition cities, forming five convention and exhibition economic industrial belts of "Bohai Rim, Yangtze River Delta, Pearl River Delta, Northeast and Central and Western China". Aluminum Extrusion Exhibition gathers thousands of latest products and information in the industry, providing an efficient and fast platform for information service organizations to obtain abundant information in a short time. At the same time, our company participated in the exhibition held in Shenyang area in March.