Blind test is relatively difficult, it is issued by the school and sent to other provinces, and the name and tutor's name are hidden. You don't know your thesis is

Where to send it, the teacher there doesn't know where the paper comes from and whose student it is, so the blind test is more objective, about one and a half months.

. Most external audits are issued by departments themselves. Although the names of students and tutors are also hidden, most of them are sent to brother colleges with good relations in the province.

So relatively speaking, it is not as strict as blind trial. It takes about a month to a month and a half.