In the autumn of the sixth year of Chongzhen, Zhao Yan, a modern man, traveled to Denglai, Shandong after the chaos. In order to deal with the coming troubled times, he pulled up a local army of local tyrants. Fighting wars was nothing more than money and food. He was most active in earning money. Glass Mirrors, glass products, salt industry, textile industry, ocean trade, war dividends, population dividends... In the last dynasty of this corrupt dynasty, selling private salt offended the emperor, Lianghuai salt merchants; using mule looms and hydraulic looms to enter the textile industry industry, offended the world's cloth merchants; intervened in ocean trade