From the approval of the procuratorate to the transfer of the case to the court for prosecution, there are two steps: investigation by public security organs and examination and prosecution by procuratorial organs. If the case is more complicated, it will take longer.
Article 124 of the Criminal Procedure Law of People's Republic of China (PRC) * * * The detention review period of a criminal suspect after being arrested shall not exceed two months. If the case is complicated and cannot be concluded at the expiration of the time limit, it may be extended for one month with the approval of the people's procuratorate at the next higher level.
Article 138 The People's Procuratorate shall make a decision on a case transferred for prosecution by the public security organ within one month, and may extend it by half a month for major and complicated cases.
Extended data
Criminal Procedure Law of the People's Republic of China
Article 124 The period of investigation and detention of a criminal suspect after his arrest shall not exceed two months. If the case is complicated and cannot be concluded at the expiration of the time limit, it may be extended for one month with the approval of the people's procuratorate at the next higher level.
Article 125 For particularly serious and complicated cases that cannot be submitted for trial for a long time due to special reasons, the Supreme People's Procuratorate shall report to the NPC Standing Committee for approval to postpone the trial.
Article 126 If the investigation of the following cases cannot be concluded within the time limit specified in Article 124 of this Law, it may be extended for two months with the approval or decision of the people's procuratorates of provinces, autonomous regions and municipalities directly under the Central Government:
(1) Major and complicated cases in remote areas with very inconvenient transportation;
(2) Major criminal group cases;
(3) Major and complicated cases of escaping crime;
(four) major and complex cases involving a wide range and difficult to obtain evidence.
Article 138 The People's Procuratorate shall make a decision on a case transferred for prosecution by the public security organ within one month, and may extend it by half a month for major and complicated cases.
China People's Congress Network: People's Republic of China (PRC) Criminal Procedure Law (Revised)