美国“大而美"法案涉及跨境电商的内容介绍，中国卖家的系统性应对策略分析 ？

Core Points - The "Overseas Business and Borderless Trade Act" (OBBBA) signed by Trump on July 4, 2025, will systematically impact cross-border e-commerce, particularly affecting Chinese sellers [1][3] - The act abolishes the $800 de minimis exemption for imports, set to be fully implemented by July 1, 2027, leading to a projected 30%-50% increase in logistics costs for direct mail small packages [3][4] - The act includes potential tariffs and stricter immigration enforcement, which may increase operational risks for Chinese companies in the U.S. market [4][5] Cross-Border E-commerce Impact - The elimination of the de minimis rule will significantly raise costs for low-margin products, particularly affecting small package logistics [3][4] - A 10% base tariff on all imported goods is currently on hold but poses a risk for electronic and mechanical products [3][4] - Increased scrutiny on labor compliance due to a $100 billion budget for immigration enforcement will heighten risks for Chinese firms employing workers in the U.S. [4] Systematic Response Strategies for Chinese Sellers - Short-term strategies include cost optimization and compliance adjustments, such as transforming logistics models and strengthening supply chain compliance [5][6] - Long-term strategies involve diversifying supply chains and markets, upgrading products and brands, and capturing policy benefits through tax structure optimization and digital management systems [5][6] Action Timeline - By July-August 2025, companies should assess their reliance on the de minimis rule and initiate overseas warehouse collaborations or testing in Mexico [8] - By the end of 2025, companies should complete LLC registrations and supply chain compliance audits while exploring European and Latin American markets [8] - Between 2026 and 2027, companies should focus on transferring production capacity to Southeast Asia and Mexico, while developing high-margin product lines [8]