Guoshengtong app is good. Guoshengtong APP (a new upgrade of the original Guosheng Securities Lejinbao) is a stock investment and financial software that integrates stock account opening, stock selection consultation, market insight, fast trading, fund management, and business management. The new layout provides a panoramic view of account details and supports stock trading, funds, Shanghai-Hong Kong Stock Connect, stock options, margin trading, and new stocks x2F. New bond subscription, government bond reverse repurchase, etc.