2 to 3 months. Henan CSC applies for applications in March and April every year, and the results usually come out in June. The review time is two to three months. CSC refers to government-sponsored study abroad, and a CSC account must be registered one month in advance. When registering, you must fill in relevant information such as personal information, learning experience, foreign language proficiency, academic achievements, application to study abroad, and foreign tutors.