How famous is it?
Is there a well-known and large-scale agent in China to support it? Is it normal for their platform to make money? What is their reputation? These are all worth thinking about. Is this platform supervised? What is the FSA supervision number? Ask more questions and you will understand.
Like other industries, brands are still very important. Choose a formal platform with some brands. It's best to simulate it first.
Simulation is a mirror, learn more.