Yes, generally speaking, you can submit an application online for review of letters and visits. If you can't submit it online, you can also submit it by email.

Review materials of letters and visits provided by the complainant:

1, written application. The contents of the application include: the basic information of the applicant; The name of the review organ and the name of the original handling and review organ; The basic situation of letters and visits; Requests for review, facts and reasons; Signature or seal of the complainant and the date;

2, the original complaint handling, review comments;

3. Relevant certification materials;

4. Other relevant materials.