The 37-year-old investment Cai will last until 2023. By querying Weibo display. The 37-year-old investment Cai will last until 2023. Cai, female, chairman of Ningbo Investment Management Partnership. Ling Jun Investment was established at the end of June 20 14, registered in Ningbo, with offices in Beijing and Shanghai. He is a member of China Fund Industry Association and has a private investment fund manager registration certificate with certificate number P 1004526. Ling Jun investment integrates quantitative hedging product research, investment and design.