Legal basis: Regulations of People's Republic of China (PRC) Detention Center.
Article 9 A criminal who enters a detention center must be accompanied by an arrest warrant, a criminal detention certificate issued by a public security organ or a state security organ at or above the county level, or a certificate issued by a public security organ, a state security organ, a prison, a reform-through-labour institution, a people's court, a people's procuratorate or a criminal escort at or above the county level. If there is no such certificate, or the record of the certificate is inconsistent with the actual situation, it will not be taken into custody.
Article 17. Prisoners sentenced to death but not yet executed must wear extra equipment.
With the approval of the director of the detention center, prisoners who have facts that indicate that they may commit crimes, riots, escape or commit suicide may use mechanical equipment. In case of emergency, you can use it first and then report to the director of the detention center. After the above situation is eliminated, it shall be lifted.
Twenty-second prison rooms should be ventilated, daylighting, moisture-proof, heatstroke prevention and cold protection. Detention centers should regularly inspect the cells, maintain them in time and prevent fires and other natural disasters.
The living area of a prisoner shall not affect his daily life.
Article 28 A prisoner in custody may, with the consent of the case-handling organ and the approval of the public security organ, communicate and meet with his near relatives.