He founded JinkoSolar Co., Ltd. (hereinafter referred as "JinkoSolar") in 2006. The company realized the revenue over CNY 16 billion in 2015 and jumped to No. 330 among Chinese Top 500 in the Fortune in 2016. In 2016, JinkoSolar became the world's largest solar module manufacturer and has 6 production bases in Jiangxi Province, Zhejiang Province, Xinjiang Uygur Autonomous Region, Malaysia, Portugal and South Africa, 16 overseas subsidiaries and 18 sales offices. With 15,000 employees across the world, JinkoSolar has achieved the export value more than USD 1 billion and is known as "King of Gross Profit" in the industry. In 2010, the company was listed on New York Stock Exchange.

LI was awarded a series of titles and prizes, including "2009 Top 10 Entrepreneurial Elites of Shangrao", the "4^th Jiangxi Province Top 10 Economic Figures in 2010", "2012 Jiangxi Province Excellent Entrepreneurs", "2013 Top 10 Innovation Figure Award for Chinese Brands", "2014 Chinese Reform Excellent Figure Award" and "Global New Energy Outstanding Contributors".