你需要兩個無犯罪記錄

一個美國無犯罪記錄,一個中國無犯罪記錄.中國的雖然你
幾年前出來了,但是,簽發日期需要三個月內的,就是說證明
你出國前無犯罪(日期寫到你出國之前),但是蓋章時要用current date.

It happened to me before. I know it's a pain and makes no sense, but that's what they need.

Good luck