第一次世界大战期间,欧美列强在中国东北的争夺有所减弱,日本乘机推行“大陆政策”加紧对我国东北实行政治压迫和经济渗透。中国民族资本在非常艰难的情况下,努力提倡实业救国,在对榨油、酿造、制粉、纺织等传统行业大部分实现变手工为机器生产的技术改造以后,也建立起火柴、牙粉、汽水、纺织、机械等行业,打破了外国列强在这些领域的传统垄断。张氏父子主政期间,民族工商业的发展得到扶植,新兴大工业多集中在沈阳,沈阳成为东北最大的工业城市。在这样的背景 During the First World War, the competition between the European and American powers in northeast China had been weakened. Japan took the opportunity to implement the “mainland policy” and stepped up its political oppression and economic infiltration in northeast China. In a very difficult situation, China’s national capital endeavored to promote the industrialization of the country. After most of the traditional industries such as oil extraction, brewing, flour milling and spinning and weaving realized the technical transformation of hand-made machinery, the establishment of matches, dentifrices, soft drinks , Textile, machinery and other industries, breaking the traditional monopoly of foreign powers in these fields. During the government of Zhang’s father and son, the development of national industry and commerce was supported. Most of the emerging industries were concentrated in Shenyang, and Shenyang became the largest industrial city in Northeast China. In this context