What account number is 4399?

4399 is the leading online casual game platform in China. You only need to enter information on the platform's website, and you don't need to register an account. You need to click the register button to send the information to the server and keep the record until the registration is successful. The 4399 game platform provides users with all kinds of green, safe and healthy games for free, constantly improves the service strategy and wins many loyal users.