Register online for the spring exam, but you must have a high school or technical secondary school status in Tianjin. Of course, there is also training in the spring exam. If you are a foreign candidate, go to a cram school. After entering the cram school, the school will register your student status. The teacher will do it for you. Just waiting for the exam, I will recommend a training place for you. I studied there last year.
Tianjin Vocational College of Foreign Trade and Economic Cooperation has a spring exam course.
Admissions telephone numbers: (022)88384363, 88382373, 88382483, 88384393, 88382955, 88382837.