Core Viewpoint - The article emphasizes the importance of expanding institutional openness and promoting bilateral investment cooperation as outlined in the "Suggestions for Formulating the 15th Five-Year Plan for National Economic and Social Development" by the Central Committee of the Communist Party of China [2][3] Group 1: Institutional Openness - Institutional openness requires alignment with high-standard international trade agreements, which is both an opening and a reform process [4][6] - The main features of institutional openness include proactive alignment with international high-standard trade rules across various sectors such as property rights protection, industrial subsidies, environmental standards, labor protection, government procurement, e-commerce, and finance [6][7] Group 2: Bilateral Investment Cooperation - The article highlights the need to expand the space for bilateral investment cooperation and promote the integration of trade and investment, guiding the reasonable and orderly cross-border layout of industrial and supply chains [2][3][10] - The Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP) is cited as a reference for high-standard international rules, covering aspects like tariff and market access, service trade, e-commerce, intellectual property protection, and environmental standards [5][6] Group 3: Domestic Reform Coordination - Domestic reforms must be coordinated with institutional openness; without adequate domestic reforms, the pace of opening cannot be accelerated [8][9] - The article discusses the negative impacts of imbalances in domestic economic variables and market distortions on international investment behaviors [9][10] Group 4: Equal Treatment of Cross-Border Flows - The article advocates for equal treatment of goods and factor flows across borders, emphasizing the importance of both exports and imports in promoting development and cooperation [11][12] - It also stresses the equal importance of foreign investment and outward investment, as well as the dual flow of technology, which is crucial for enhancing domestic industry competitiveness [12][13]