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Low pressure dynamic boiling technology is the proprietary technology of beer brewing and boiling, which is introduced by HUUPANN company in Germany. It uses low pressure dynamic boiling heat recovery system to achieve high efficiency and energy saving in boiling process. Qingdao deemann used this technology for the energy-saving renovation project of Huarun snowflakes, Tsingtao Brewery, Chongqing beer, Carlsberg beer, Budweiser beers, the Yellow River beer and other large domestic beer groups.