我国外贸交出亮眼答卷，实现“三个首次”背后有哪些因素在支撑？

Core Insights - China's foreign trade achieved remarkable results in the first half of the year, with three historical milestones: exports exceeding 13 trillion yuan, over 600,000 enterprises engaged in import and export activities, and private enterprises' import and export scale surpassing 12 trillion yuan for the first time [1][6]. Group 1: Trade Growth and Infrastructure - Major ports in China, including Shanghai, Ningbo-Zhoushan, and Qingdao, added over 72 new shipping routes and more than 19 new destination ports in the first half of the year [3]. - The Western Land-Sea New Corridor has seen significant developments, including the successful operation of "railway container connections to roll-on/roll-off ships" and the regular operation of freight trains between China, Laos, and Thailand [5]. Group 2: Contribution of Private Enterprises - Private enterprises accounted for 57.3% of China's foreign trade in the first half of the year, with their import and export scale surpassing 12 trillion yuan, growing at a rate 4.4 percentage points higher than the national average [6][8]. - High-tech products from private enterprises have seen a 12.5% increase in exports, showcasing their adaptability and resilience in the international market [8]. Group 3: Policy and Innovation - Institutional innovations have played a crucial role in expanding market opportunities for foreign trade enterprises, including the establishment of cross-border e-commerce pilot zones and optimized port layouts [9]. - The successful export of bio-jet fuel, derived from previously undesirable waste oil, highlights the potential for green products in international markets, supported by new regulatory frameworks [9][11].