Can new prisoners in Xiamen Tongan Prison visit the prison team just after they arrive?

You can't.

If the suspect has not been sentenced, only lawyers can meet the suspect before the judgment.

Prison, in a broad sense, refers to places where all prisoners are held, including prisons, detention centers and detention centers. In a narrow sense, it refers to criminals who have been sentenced to death with a two-year suspension of execution, life imprisonment or fixed-term imprisonment, and prisons that carry out punishment in accordance with the provisions of the Criminal Law and the Criminal Procedure Law. The competent department of a prison is the Prison Administration, and the highest administrative department is the Ministry of Justice.