Of course. The entrusted lawyer may, according to the needs of the case, apply to the procuratorate or the court for collecting and obtaining evidence or to the court for notifying witnesses to testify in court. If a lawyer investigates and collects evidence by himself, he may, with the lawyer's practice certificate and the certificate of the law firm, investigate the situation related to undertaking legal affairs with the relevant units or individuals.
Legal objectivity:
Article 50 of the Criminal Procedure Law of People's Republic of China (PRC) All materials that can be used to prove the facts of a case are evidence. Evidence includes: (1) physical evidence; (2) Documentary evidence; (3) Testimony of witnesses; (4) the victim's statement; (5) confessions and excuses of criminal suspects and defendants; (6) Appraisal opinions; (7) Records of the inquest, inspection, appraisal, investigation and experiment; (8) Audio-visual materials and electronic data. The evidence must be verified before it can be used as the basis for finalizing the case.