Thomas lee is well-off and studious. At the end of Qing Dynasty, he was born with great strategy. In the early years of the Republic of China, he served as village head and county education director. Later, according to the rich cotton in Jinnan area and the natural advantages of Luliangshan coal mine, as well as the fact that Linsan Town had an unfinished textile factory in the late Qing Dynasty, this was beneficial. Focus on the preparation and operation of spinning mills. He took his second son, Rain Lee III, to Jiangsu Nantong Textile University for further study. 1924 (Republic of China 13) set up a preparatory office for the establishment of a cotton mill in Xinjiang to raise funds at the price of RMB 100 (silver) per share. After nearly two years of hard work, he raised more than 200,000 yuan. Due to the serious shortage of funds, Li Tong contacted many parties and was introduced by Xue Yuqing (the finance director of Shaanxi Province in the early years of the Republic of China). With the support of Lu Liancheng, a textile capitalist in Wuzhi County, Henan Province, he invested 220,000 yuan to set up a Dayi spinning mill with 6,000 spindles and more than 500 employees.

It was officially put into production in 1926 (Republic of China 15). Because of good management, effective management, high quality and low price, the products sell well for more than a year. Won the Golden Harvest Medal and the Chrysanthemum Medal. 1930 (in the Republic of China 19), most of the dividends over the years were used as new share capital, and the total share capital was increased to 218,000 yuan for the expansion of the second factory. The number of spindles was increased to 20,000, 500 looms were added, and the number of employees increased to more than two. After the completion of the second plant, it merged with the main plant and was renamed as Dayicheng Co., Ltd., which was put into operation in 1932 (2 1 year). The Yanta brand cotton yarn and Linsan brand cotton yarn produced by it have created famous brands. It is famous in Henan, Shaanxi and Shanxi. 1937 (26 years of the Republic of China) Japan invaded China and Xinjiang fell. Li remitted part of the funds to Ann and Lanzhou, and later set up "Dayicheng Wool Textile Factory" in Ann and set up Dayicheng Office in Lanzhou. During the Anti-Japanese War, Li was a director of Gansu Provincial Trading Company. 1949 died in Lanzhou at the age of 82.