Both institutions are public. Harbin Railway is a state-owned enterprise of China Railway Third Bureau, a national model backbone vocational college with double majors. It is better than black traffic from the industry background and school level. In recent years, black traffic has also developed well. It has changed from a local college to a provincial college with a campus in Harbin. If you apply for the college entrance examination, you can choose Harbin Railway 1 and voluntarily choose Black Traffic 2.