1. Intellectual Property Office: responsible for handling all kinds of intellectual property disputes, including copyright, trademark rights and patent rights. You can complain to the local intellectual property office or China National Intellectual Property Administration.
2. Public security organs: Public security organs are responsible for cracking down on illegal and criminal acts that infringe intellectual property rights, including piracy, manufacturing and selling fake and inferior products, etc. You can report the case to the local public security organ and provide relevant evidence.