How to complain if Wanda Hotel doesn't refund?

Call 123 15 to institute legal proceedings. According to China Law Network:

1. You can call the consumer hotline 123 15 to make a complaint and safeguard your rights and interests.

2. Refund disputes arising from the hotel's "overlord clause" can be settled through consumers' associations, or they can complain to the relevant administrative departments or bring a lawsuit to the court.

3. If an illegal operator who uses another person's business license provides goods or services and damages the legitimate rights and interests of consumers, consumers may demand compensation from him or the business license holder.