义和团事变发生后,围绕上海制造局的安全问题,上海中外双方互相猜疑,各有传谣,而为避免北方战火延及南方,双方又自我约束,并作了试探性的交涉。制造局的安全成为“东南互保”发起的一大诱因。战争时期军火需求旺盛,而当时华北最大的军工生产基地天津机器东局被毁,同时外国对 After the Boxer Incident, around the safety issue of the Shanghai Manufacturing Bureau, both Shanghai and China suspected each other’s suspicions and rumors were spread. However, in order to prevent the northern war from spreading to the South, the two sides made self-restraint and made tentative representations. The security of the manufacturing bureau has become a major cause of “southeast mutual insurance”. The demand for arms during the war was strong, while the eastern machine building in Tianjin, the largest military industrial base in North China, was destroyed. At the same time,