Strengthening Trade, Regional Alliances, Technology, and Economic and Geopolitical Initiatives concerning China Act or the STRATEGIC Act This bill contains provisions addressing China and foreign relations generally. The provisions include directing the Department of State to establish a program to facilitate dialogues between U.S. regulatory and technical agencies and their counterparts in partner countries to promote U.S. regulatory standards; authorizing the State Department to help U.S. companies address China-related supply chain management issues, including by relocating production to other countries; directing the President to establish an interagency working group to strengthen U.S. leadership in international standards-setting bodies for mobile telecommunications technology, including fifth generation (5G) technology; requiring the President to establish a process for a U.S. person to petition for sanctions against a foreign person involved in a significant act of intellectual property theft or the forced transfer of technology; prohibiting any individual who has directly represented the government of a country designated by the President as a country of national security concern from serving in a State Department position that requires Senate confirmation; directing the State Department to establish the Office of Integrity in the United Nations System to counter undue influence by authoritarian nations in the United Nations; and authorizing through FY2026 various State Department programs in Southeast Asia related to maritime security and diplomatic outreach activities.