满洲里,一座有着百年历史的中国最大沿边陆路口岸城市,坐落于美丽富饶的呼伦贝尔大草原,东依兴安之脉,南濒呼伦之水,西临蒙古国,北接俄罗斯,是亚欧第一大陆桥上极为重要、快捷的国际大通道,承担着中俄贸易70%以上的陆路运输任务,享有“东亚之窗”的盛誉。满洲里的飞速发展依托于口岸经济实力的日益壮大,也离不开保密工作的坚实保障。市保密局成立之初,正值满洲里对外 Manzhouli, a hundred-year-old city of China’s largest along the border land road port, is located in the beautiful and rich Hulunbuir prairie, according to the east of Hing An vein, south Hulun water, west of Mongolia, north of Russia, is the first in Asia It is an extremely important and quick international corridor on the mainland bridge that undertakes over 70% of the land transport tasks of Sino-Russian trade and enjoys the reputation of “Window of East Asia”. The rapid development of Manchuria relies on the growing economic strength of the port, but also can not be separated from the secrecy of a solid guarantee. City Security Bureau was first established, at a time when Manchuria external