Students tell you that this is just renting an office in the logistics department and renting a classroom in the self-taught school. The so-called dormitory is a bed where 14 people get on and off in a far place. The dormitory environment is extremely poor, the beds are rotten, and the toilets are even worse than the migrant workers' dormitory 10 years ago. They are all invited water blowing teachers from outside, with little level, and the certificates are issued by industry associations. They are practical training.