1. Administration for Industry and Commerce: You can contact the local administration for industry and commerce, the municipal and county administration for industry and commerce, and the market supervision bureau to check the transaction number of the listing certificate of individual industrial and commercial households. The administrative department for industry and commerce is responsible for the registration management of individual industrial and commercial households, and may provide relevant information and registration documents.
2. Internet financial information service platform: Some Internet financial information service platforms will provide credit inquiry services for individual industrial and commercial households, and the credit information of individual industrial and commercial households and the relevant transaction numbers of listing documents can be inquired through the platform. The platform needs to provide the relevant information and identity verification of individual industrial and commercial households to ensure the legality and accuracy of the query information.