Core Viewpoint - The article discusses the strategic importance of the "Greater Tumen River" initiative as a new platform for regional cooperation in Northeast Asia, emphasizing its potential to enhance economic integration and development in the region [3][18]. Group 1: Economic Cooperation and Trade - In 2024, trade between China and the five Northeast Asian countries is projected to reach $901.6 billion, accounting for nearly 15% of China's total foreign trade [2][17]. - The bilateral investment amount exceeds $7 billion, with cooperation expanding into emerging sectors such as digital economy, green development, advanced manufacturing, and modern services [2][17]. Group 2: Strategic Recommendations - The "Greater Tumen River" strategy is proposed to be elevated to a national strategy, focusing on creating a high-level open platform for regional cooperation and revitalization of Northeast China [3][18]. - Three strategic functional groups are suggested: a global free trade port, a cross-border economic cooperation demonstration zone, and a comprehensive global open portal integrating land, sea, air, and rail networks [4][5]. Group 3: Infrastructure and Connectivity - The initiative emphasizes the need for infrastructure interconnectivity, proposing the establishment of a multi-dimensional transportation network that includes ports and railways to enhance trade efficiency [5][19]. - Key ports such as Zarubino and Posyet are identified as central hubs for creating a unified operational standard and sharing resources among Northeast Asian ports [5][19]. Group 4: Market and Investment - The establishment of a development fund for the Greater Tumen River is recommended to attract international capital for infrastructure projects [6][19]. - The article suggests creating a central procurement market in Hunchun to serve as a distribution center for daily consumer goods across Northeast Asia [6][19]. Group 5: Regional Economic Integration - The "Greater Tumen River" strategy aims to balance economic interests among Northeast Asian countries through differentiated division of labor and shared benefits [7][20]. - It proposes the establishment of a Northeast Asia Free Trade Network, using the China-Russia cross-border free trade zone as a template to promote tariff reciprocity and unified rules of origin [7][20]. Group 6: Digital Trade and Innovation - The strategy includes plans to build a digital trade ecosystem, establishing a cross-border data flow trial zone and a digital certification center for Northeast Asia [8][20]. - It aims to facilitate the internationalization of the Renminbi through cross-border energy trade settlements and digital currency payment trials [8][20].