什么是自贸区概念，涵盖哪些产业链

Core Insights - Free Trade Zones (FTZs) are established within a country or region to facilitate foreign trade and investment through special policies, aiming to enhance international competitiveness and openness [1][2] Group 1: Economic Impact - FTZs drive collaborative progress across multiple sectors, particularly logistics and port transportation, significantly improving cargo distribution efficiency and boosting related industries such as warehousing and shipping [1] - The financial services system benefits from FTZ policies, enabling innovations in cross-border settlement, trade financing, and foreign exchange management, thus providing more efficient capital support to the real economy [1] Group 2: Industry Beneficiaries - The manufacturing sector, especially high-end manufacturing and export-oriented processing enterprises, is a major beneficiary of FTZs, utilizing a regulatory model that allows for bonded processing and transshipment, effectively reducing operational costs and enhancing international order capabilities [1] - Emerging sectors like cross-border e-commerce and digital trade are rapidly developing within FTZs, facilitated by new regulatory models and data flow mechanisms that enhance global e-commerce operations [2] Group 3: Investment Opportunities - Understanding the institutional dividends and industrial agglomeration effects behind FTZs can help investors grasp long-term opportunities in regional economic development [2] - Monitoring structural changes in the industry chain driven by policy guidance is more meaningful than chasing short-term trends [2]