中方决定反制！

Core Viewpoint - The article discusses China's decision to impose countermeasures against five U.S. subsidiaries of Hanwha Ocean Corporation in response to the U.S. 301 investigation into China's maritime, logistics, and shipbuilding industries, which is seen as a violation of international law and damaging to Chinese enterprises' legitimate rights and interests [2][3]. Group 1 - The U.S. has initiated a 301 investigation into China's maritime, logistics, and shipbuilding sectors, which is viewed as a serious violation of international law and basic principles of international relations [3]. - Hanwha Ocean Corporation's U.S. subsidiaries are accused of assisting the U.S. government in these investigations, which threatens China's sovereignty, security, and development interests [3]. - The Chinese government has decided to include five U.S. subsidiaries of Hanwha Ocean Corporation in a countermeasure list, prohibiting organizations and individuals within China from engaging in transactions or cooperation with them [3].