中国到美国的集装箱运输预订量骤升近300%；跨境电商平台推出"外贸618"，美国买家询盘同比增长40%；玩具 礼品厂家开足马力备货圣诞用品……90天的关税窗口期正成为美国买家的"囤货潮"。 5月12日，中美两国达成阶段性关税调整协议，宣布暂停部分加征关税并设立90天窗口期。这一政策变动迅速点燃 了全球贸易链。 南都记者多方采访获悉，90天窗口期对机电、纺织、消费品等关税降幅显著的行业提供了提供了宝贵的调整时间 和难得的市场机遇，但高科技产品（如芯片）因美国保留10%关税及技术限制，对美出口仍受限。此外，长期来 看关税风险并未消失，有外贸商家表示，"抓住短期实质利好的同时，我们也要考虑到未来关税仍有变数，必须要 做好长期打算和多元布局。" 美国买家囤货潮涌现，跨境电商开启年中大促 5月14日晚，美国关税调整正式生效，美国买家囤货潮迅速涌现，多个跨境电商平台亦发起大促活动帮助商家接 单。南都记者获悉，阿里国际站正在紧锣密鼓地筹备针对美国市场的6月大促，力度之大堪称"外贸618"。 据阿里国际站内部人士透露，5月14日美国对华关税调整正式生效当天，阿里国际站已经紧急上线了美国专场。数 据显示，美国专场大促首日，各个 ...

Core Insights - The article highlights a surge in demand for wedding supplies from American customers on platforms like AliExpress during a temporary tariff window, indicating a strategic buying behavior among consumers [1][3]. Group 1: Market Dynamics - American customers are taking advantage of a 90-day tariff window to stock up on wedding supplies, leading to significant sales increases for Chinese sellers [1][3]. - A Guangdong-based seller reported sales of 600,000 yuan (approximately 85,000 USD) in wedding artificial flowers within a week, showcasing the strong demand [1]. - Another seller noted that despite initial hesitations due to tariff increases, customers quickly resumed purchasing once tariffs temporarily decreased [3][4]. Group 2: Seller Insights - Sellers like Zhiyong and Qiuguoqing have established long-term relationships with American wedding planners and customers, which has helped maintain sales despite tariff pressures [3][4]. - The sellers emphasize their competitive advantages, including quick response times, strong design capabilities, and reasonable pricing, which appeal to American consumers [4]. - The upcoming overseas shopping event "618" is expected to further boost sales as American customers look to replenish their wedding supplies [4]. Group 3: Market Reach - AliExpress operates in over 200 countries, with many sellers focusing on multiple key markets, including the U.S., Middle East, and Europe, indicating a broad international reach [4].