Need. Sanjia is a higher vocational college entrance examination, which requires the seal of the Education Bureau to return to the original household registration examination. Only by stamping can it be proved that it is me, and it has been verified. The "Three-A Certificate" means that secondary vocational graduates must have a professional skill to take the entrance examination of higher vocational colleges. At the same time, you must take the written examination of Chinese, mathematics and English, which is referred to as the three-certificate college entrance examination. The Education Bureau is the government department in charge of education and language work.