Jack and others invested in the semiconductor company Tianyi Hexion.

According to the QiChaCha app, Nanjing Tianyi He Xin Electronic Co., Ltd. recently underwent a change in its business registration, with multiple shareholders exiting and new shareholders such as Jiehuat holding 29.74% of the shares, making them the largest shareholder. Information on QiChaCha shows that the company was established in 2014, with its business scope including integrated circuit design, manufacturing, sales, and chip design and services. According to their official website, Tianyi He Xin is a semiconductor company that specializes in the design, research and development, and sales of high-performance sensor chips and analog chips.