山东抗日根据地的贸易政策蒋守业，于志亭山东抗日根据地是中国共产党领导和团结山东人民，经过艰苦奋斗、流血牺牲才建立和发展起来的。它位于黄河下游，地处南北交通要冲，且为华北海上门户，包括津浦线以东的山东大部、河北和江苏两省的各一部，总面积６０万平方公里，... The Trade Policy of Shandong Anti-Japanese Base Areas Jiang Shouye and Yu Zhiting The Shandong Anti-Japanese Base Area was established and developed by the Chinese Communist Party under the leadership and unification of the Shandong people through painstaking struggle and bloody sacrifice. It is located in the lower reaches of the Yellow River, is located in the north-south traffic hub, and is the sea portal in North China, including Jinpu east of Shandong, Hebei and Jiangsu provinces, a total area of ​​600,000 square kilometers, ...