Yo, exchange rates are like a rollercoaster, always changing. But as of August 18, 2023, one Chinese yuan (CNY) is worth about 3,364.39 Vietnamese dong (VND). That means if you have 100 CNY, you can get around 336,439 VND. Keep in mind, these rates are always fluctuating, so it's a good idea to check the latest ones before you make any exchanges.