You can buy wealth management on Duoduoyun app. Inquiring about public information shows that Duoduoyun app is an investment and wealth management software, in which you can purchase wealth management products such as stocks, funds and securities. Duoduo Wealth Management is an Internet investment and wealth management platform, which was launched on July 20 15 1 and operated by Zhejiang Duoduo Internet Financial Information Service Co., Ltd.