Group 1: Core Themes of the Exhibition - The 25th China International Investment and Trade Fair opened in Xiamen, showcasing Heilongjiang's regional characteristics and industrial vitality through four core themes: ice and snow, technology, agriculture, and China-Russia cooperation [1][12][16] - The agricultural exhibition area attracted significant attention, featuring products from Heilongjiang's fertile black soil, including rice, oil, and rare specialties, which captivated visitors [1][3][15] Group 2: Agricultural Highlights - The North China Agricultural Group's booth displayed high-quality long-grain fragrant rice and non-GMO soybean oil, emphasizing the purity of Heilongjiang's agricultural products [3][5] - The Daxing'anling region showcased organic mushrooms and wild berry products, highlighting the unpolluted environment of their production base [5][7] - Other notable products included fresh cranberries and beef products from Heihe, which drew considerable interest from attendees [7][15] Group 3: Technological Innovations - The technology exhibition featured innovative products such as a natural lighting curtain that enhances indoor lighting efficiency significantly [8][10] - The Intelligent Vision Medical Robot, designed for retinal surgeries, demonstrated high precision and real-time monitoring capabilities, attracting considerable attention [10][15] - High-end electric motors and advanced materials were also showcased, reflecting Heilongjiang's strength in technology and innovation [10][16] Group 4: China-Russia Cooperation - The China-Russia cooperation area highlighted the theme of building a new highland for northern openness, with Russian chocolates and cookies drawing visitors [12][16] - The Black River Longfei Investment Group reported over 30 potential business collaborations on the first day of the fair, exceeding expectations [12][16] Group 5: Ice and Snow Economy - The ice and snow exhibition area became a popular spot, featuring stylish down jackets and commemorative items related to the Winter Olympics, embodying the region's cultural charm [14][16] - The theme "Green Water and Green Mountains are Golden Mountains and Silver Mountains" was prominently displayed, emphasizing the economic potential of the ice and snow industry [14][16]