论构建保税区经济运行体制的原则与框架张凤清随着我国对开放格局的重组（经济特区的优惠政策逐步取消，中西部与沿海地区同时开放），以及近期国家对一系列有利于保税区的经贸政策的调整（如取消三资企业自用机器设备的免税待遇，建立加工贸易、进口料件、银行保证金台帐... On the Principles and Framework for Constructing the Economic Operation System in Free Trade Zone Zhang Fengqing With the restructuring of the open pattern in our country (the gradual elimination of the preferential policies in the special economic zones and the simultaneous opening up of the central and western regions and the coastal areas), as well as the recent reliance on a series of economic and trade policies favorable to the bonded areas Adjustment (such as the lifting of tax-exempt treatment for self-used machinery and equipment of foreign-funded enterprises, the establishment of processing trade, imported materials, bank guarantee account ...