legal ground
Article 61 of the Trademark Law of People's Republic of China (PRC)
The administrative department for industry and commerce has the right to investigate and deal with violations of the exclusive right to use registered trademarks according to law; Suspected of committing a crime, it shall be promptly transferred to judicial organs for legal treatment.
Article 65
Where the trademark registrant or interested party has evidence to prove that others are committing or will commit acts that infringe upon their exclusive right to use a registered trademark. If it is not stopped in time, its legitimate rights and interests will be irretrievably damaged. Before prosecution, it may apply to the people's court in accordance with the law to take measures to order it to stop relevant acts and preserve property.
Article 66
In order to stop the infringement, in the case that the evidence may be lost or difficult to obtain later, the trademark registrant or interested party may apply to the people's court for evidence preservation according to law before prosecution.