1. power of attorney for trademark agency: a power of attorney stamped with the applicant's seal is required. Applicants from outside the mainland who want to apply for trademark renewal in China must entrust an agent.

2. Application for trademark renewal: If Bajie Intellectual Property is entrusted to apply for trademark renewal, Bajie Intellectual Property shall make it.

Third, prepare the required information:

1, copy of trademark certificate;

2, a copy of the applicant's qualification.

3, the trademark has been changed and other matters that copy.

4. Submit an application to the Trademark Office.

V. Substantive examination of the Trademark Office

6. Issue a trademark renewal approval certificate.