中方决定反制！

Core Points - The article discusses China's countermeasures against five U.S. subsidiaries of Hanwha Ocean Co., Ltd. in response to the U.S. 301 investigation into China's maritime, logistics, and shipbuilding industries [2][3] - The Chinese Ministry of Commerce has officially announced these countermeasures, which will take effect on October 14, 2025 [2] Group 1 - The U.S. investigation and measures against China's maritime and logistics sectors are deemed a serious violation of international law and harm the legitimate rights of Chinese enterprises [3] - Hanwha Ocean's U.S. subsidiaries are accused of assisting the U.S. government in these investigations, which threatens China's sovereignty and development interests [3] - The countermeasures include prohibiting organizations and individuals within China from engaging in transactions or cooperation with the listed U.S. subsidiaries [3]