Li Li led early-stage investments in innovative companies such as Lexin (NASDAQ: LX), Tiger Brokers (NASDAQ: TIGR), Tuanche (NASDAQ: TC), Meiyou, Niuguwang, Yiqiba, PingCAP, Caibeike, and Yunding Smart. In 2017, Li Li founded Casstar Capital and is also the founder of the Xiaofanzhuo (Small Rice Table) venture service platform.

Casstar Capital focuses on early-stage investments in technology and innovation, with a portfolio that includes high-growth startups such as Dianjiang, PandaRemit, Genki Forest, Caveman Technology, Finding Unicorn, Olive Branch Health, Singularity Infinite, BOP, Xinsu Technology, Unnamed Space, and Zhufaner.