1. Lanzhou Jiaotong University has only two years of higher vocational education, and no graduates have gone out yet, so there is no relevant employment rate information for your reference.

2. Judging from your major and the employment situation of Jiaotong University's traffic and railway undergraduate major, railway engineering technology should be a very good major, because there are many units enrolling students in the railway field of Jiaotong University. You can go to the job fair of Jiaotong University.

As for your promotion. Jiaotong University's undergraduate major is wired, and there may be only one or two majors. You can check it on the website of Jiaotong University. In most cases, the major is mechanical design and its automation and civil engineering. What major do you want to recruit for undergraduate course? You can go to the website of Jiaotong University and find the school's enrollment brochure!