没得商量了，中方弃用美国港口，罚单已发往特朗普，最高增税78%

Core Viewpoint - The strategic adjustments made by Chinese shipping companies, particularly COSCO, in response to the U.S. "port tax" policy reflect the ongoing trade tensions between China and the U.S. [3][6] Group 1: Shipping Industry Adjustments - Chinese shipping companies are gradually reducing the proportion of Chinese-manufactured vessels deployed on U.S. routes, indicating a shift in global shipping strategies [3]. - COSCO reported a 9.5% growth in mainland China route operations, a 5.2% increase in Asian routes, and an 11.9% increase in other international routes, suggesting a significant transfer of business from U.S. routes [3]. Group 2: U.S. Policy Implications - The U.S. "port tax" policy, set to begin on October 14, 2023, imposes additional fees on Chinese vessels docking at U.S. ports, starting at $50 per net ton and potentially rising to $140 per net ton [3][4]. - The policy aims to bolster the U.S. shipbuilding industry while simultaneously weakening Chinese maritime trade, reflecting a dual strategy of trade barrier implementation and domestic industry support [6]. Group 3: Global Economic Impact - The U.S. government's attempts to impose high trade barriers are expected to disrupt international shipping costs and supply chain stability, ultimately increasing burdens on U.S. consumers and businesses [8]. - China's response to the U.S. actions includes initiating anti-dumping measures against U.S. fiber optic manufacturers, with tariffs reaching up to 78.2%, showcasing China's commitment to countering unfair trade practices [9].