Regulations for Motor Vehicle Safety Investigation, Recall /Correction, Supervision and Management（The official Regulations are written in Chinese, this English edition is for your reference only.） Article 12

If manufacturers, import agents and importers are informed as the vehicle safety investigation objective specified in Article 2, or to provide explanation information specified in Article 6, they shall provide the relevant explanation information or cooperate with the investigation within the requested time without rejecting, dodging or hindering the information submission or said investigation.