It is the only proof of customer income recognition. When you purchase funds from Tian Tian Fund, you need to fill in our information and log in. Because buying a fund requires real-name authentication, and the ID card will be the only proof to identify the customer's income, the customer is required to enter the ID number. Tian Fund Network is a professional fund website under the listed company Oriental Fortune, and the first batch of independent fund sales organizations approved by China Securities Regulatory Commission.