Group 1 - The event "Heilongjiang Agricultural Products Ice and Snow Tourism Season Promotion" was held in Harbin, showcasing the charm of "Black Soil Quality Products" through interactive experiences for visitors from across the country [1][3] - Activities included "Stamp Collection for Drinks" and "Mascot Parade," highlighting cultural elements of Heilongjiang's agricultural products such as rice, soybeans, and corn [1][3] - The event was guided by the Heilongjiang Provincial Department of Agriculture and Rural Affairs and organized by Beidahuang Food Group Co., Ltd [3]