Tongda letter can directly log into the fund account. Tongda letter integrates Shanghai and Shenzhen stock markets, Hong Kong stocks, US stocks, futures, options, funds, macro markets and foreign exchange markets, and is suitable for all investors.

Tongda letter software is a multifunctional securities information platform. Compared with other market software, it has the advantages of simple interface and faster market update. Communication allows users to divide the screen freely and specify the content corresponding to each block. As for shortcut keys, it is also one of the characteristics of Tongda letter.