To check the information of trademark withdrawal applicants, you can consider the following methods:

1. Visit the official website of the State Intellectual Property Office and enter the trademark name and registration number on the query page , query time and other information, you can query trademark revocation information, including applicant information.

2. Consult relevant law firms, they can provide trademark revocation inquiry services.

3. Entrust a trademark agency to conduct the inquiry. The trademark agency is a professional trademark service company that can provide one-stop services such as trademark registration and trademark inquiry.

Please note that the above methods may require a certain fee and require basic information such as trademark name and registration number. If you cannot obtain information through the above methods, it is recommended to consult professionals or relevant institutions.