The appraisal center of Kaifeng Criminal Investigation Detachment has qualification appraisal. According to the relevant information of the appraisal center of Kaifeng Criminal Investigation Detachment, the appraisal center of Kaifeng Public Security Bureau organizes the popularization and application of criminal technology, undertakes the inspection and appraisal of relevant physical evidence and the re-examination and appraisal of traces of difficult cases, and provides technical and information support for the criminal investigation departments in the city to solve difficult cases, so there will be qualification appraisal.