美国方面称中国运往墨西哥300吨前体化学品，外交部回应：美国毒品泛滥根源在于自身，解决问题的钥匙也在美方自己手里

Core Viewpoint - The Chinese government emphasizes its strict anti-drug policies and regulations, asserting that the responsibility for drug issues lies primarily with the United States, which should focus on domestic regulation and demand reduction rather than blaming others [1]. Group 1: China's Anti-Drug Efforts - China is recognized as one of the countries with the most comprehensive and stringent regulations on controlled substances [1]. - The Chinese anti-drug authorities are committed to legally combating the loss of precursor chemicals and ensuring that related enterprises operate legally and compliantly [1]. Group 2: U.S. Drug Issues - The spokesperson highlights that the root cause of drug proliferation in the U.S. is domestic, urging the U.S. to take substantial measures to address its internal problems [1]. - The Chinese government criticizes the U.S. for externalizing its issues and applying sanctions instead of addressing the core problems within its own borders [1]. Group 3: Protection of Chinese Interests - China will take necessary measures to protect the legitimate rights and interests of its enterprises and citizens in response to international accusations [1].