特朗普威胁中国断绝与伊朗贸易，宣布对华征税25%，关税战要再度开打？

Core Viewpoint - The article discusses the strategic implications of the U.S. imposing a 25% punitive tariff on all countries trading with Iran, highlighting the broader economic and geopolitical ramifications of this policy [1][3]. Group 1: U.S. Policy and Its Implications - The U.S. aims to cut off Iran's economic lifeline while reshaping global trade order to maximize its own interests through the punitive tariffs [1][3]. - Over 100 countries, including major economies like China, India, and Turkey, maintain trade relations with Iran, making the U.S. tariffs a broader attack on Iran's trade partners [1][3]. - The tariffs could escalate tensions in U.S.-China trade relations, potentially reigniting a trade war that had shown signs of temporary resolution [3]. Group 2: China's Response - China has firmly opposed unilateral sanctions and emphasized the need for international law to protect normal trade and energy cooperation [5]. - In response to U.S. tariffs, China has previously implemented countermeasures, including WTO litigation and tariffs on U.S. goods, demonstrating its readiness to defend its national interests [5]. - The U.S. strategy of frequent sanctions may accelerate the global de-dollarization process, undermining its economic leadership [5]. Group 3: Iran's Position - Iran has warned that it will target U.S. military bases and Israel if it faces severe economic pressure, indicating a potential escalation in regional tensions [7]. - Despite sanctions, Iran maintains stable trade relations with the EU, with bilateral trade reaching €3.1 billion in the first ten months of 2025, showing ongoing demand for trade [7]. - The article suggests that the fallout from U.S. tariffs could destabilize the global economic system and deepen the trust crisis between the U.S. and China, posing significant challenges for all nations involved [7].