As long as the application you submit meets the requirements. But how many copies of defense materials should I submit? What materials do I need to prepare? Where to mail it? What subject is accepted? Do you know everything?

Recently, there is a defense written by a law firm on Baidu and submitted by yourself. You can look at the questions he asked. If you have enough time and energy to handle this defense, and have the ability To write a professional defense letter, you can defend it yourself.