Group 1 - The 34th Harbin International Economic and Trade Fair has commenced, attracting numerous merchants and showcasing products with local characteristics from Huanan County [1][3] - Huanan County, known as the "Hometown of Perilla," presented its innovative development achievements in the perilla industry chain, featuring products like perilla oil and perilla eggs [3][5] - Huanan Nongshengyuan Food Co., Ltd. aims to promote its perilla products, including perilla pills and perilla candy, to a wider audience through the fair [5] Group 2 - Heilongjiang Desheng Grain Deep Processing Co., Ltd. showcased dandelion tea and other products that combine Northeast specialty ingredients, emphasizing health and natural flavors [5][7] - Heilongjiang Yongling Aerospace Polymer Materials Co., Ltd. participated for the first time, presenting its advanced aerospace materials, particularly polyimide materials with high-temperature resistance [7][9] - Huanan County's participation in the fair includes six enterprises and over 100 product varieties, focusing on promoting agricultural products and attracting external investment [9][10]