中方对此坚决反对！决定启动调查

Core Viewpoint - The Chinese Ministry of Commerce has initiated an investigation into Mexico's proposed trade barriers against Chinese imports, emphasizing the need to oppose unilateralism and protectionism in the current context of U.S. tariffs [2][4]. Group 1: Investigation Announcement - The Ministry of Commerce announced the initiation of a trade barrier investigation against Mexico's proposed increase in import tariffs on products from China and other non-free trade partners [3][4]. - The investigation is based on preliminary evidence indicating that Mexico's proposed measures could severely harm the trade and investment interests of Chinese enterprises [4]. Group 2: Investigated Measures and Products - The specific measures under investigation include proposed increases in import tariffs on various product categories such as automobiles and parts, textiles, clothing, plastics, steel, home appliances, aluminum, toys, furniture, footwear, leather goods, paper and cardboard, motorcycles, and glass [4]. - Other trade and investment restrictions imposed by Mexico on China in recent years will also be included in the scope of this investigation [4]. Group 3: Investigation Procedures and Timeline - The investigation will utilize methods such as questionnaires, hearings, and on-site investigations to gather information from stakeholders [5]. - The investigation is expected to conclude within six months from the announcement date, with a possible extension of up to three months under special circumstances [6]. Group 4: Stakeholder Participation - Stakeholders are encouraged to submit written comments regarding the investigation within 20 days of the announcement [8]. - Information submitted during the investigation must be provided in both electronic and written formats, and confidentiality requests can be made if necessary [8].