During the second China International Import Expo (CIIE), CQC Shanghai Branch, as a technical institution, dispatched experts to participate in the whole process, and provided technical support and guarantee for CIIE, which was well received by relevant government departments and exhibition enterprises. At the expo, CQC Shanghai Branch also dispatched experts to offer on-site consulting service and Q&A booth together with Shanghai Administration for Market Regulation to answer questions for the product quality, after-sales consultation, business registration, product certification, cooperation in trade zone and other issues raised by expo participants. On November 10th, the support and guarantee work of CQC Shanghai Branch in the local area was successfully completed with the ending of CIIE. It will exert its role of testing and certification in promoting global trade facilitation, respond to the call of the government of continually expanding market opening, improve the pattern of open layout, optimize the business operation environment, deepen bilateral cooperation, jointly build “the Belt and the Road”, and make contributions to the high-quality economic development.