enteredExport agentWhat exactly is the number?

The import and export agency code (Customs registration number) is the unique identifier for import and export agency enterprises registered with Customs, consisting of 18 digits. According to the "2021 Customs Agency Management Measures," this code includes three parts: the enterprise registration location code, industry classification code, and sequential number, which can be used to verify whether the enterprise has legalcustoms clearanceQualification.

Detailed Explanation of the Latest Inquiry Process for 2025

The most authoritative method is to check through the official website of China Customs, which involves three specific steps:

• Step 1: Log in to the Single Window.
  • 訪問"中國國際貿(mào)易單一窗口"（www.singlewindow.cn）
  • Select the "Enterprise Qualification" inquiry module.
• Step 2: Enter the query conditions
  • It supports three query methods: enterprise name, unified social credit code, and customs code.
  • For improved accuracy, it is recommended to use the combination of "company name + place of registration" for your search.
• Step 3: Verify the details
  • Please confirm that the filing status is displayed as "Normal".
  • Please check whether the business category includes "import and export consignor/consignee."
  • Please verify whether the validity period falls within the service term of 2025.

How to handle common inquiries?

• Cases where the number cannot be found:
  • The enterprise has not completed customs registration (procedures need to be supplemented).
  • There are typos in the input information (recommended to copy official information).
  • The filing information has not been synchronized yet (newly filed enterprises need to wait for 3 working days).
• Abnormal display of serial numbers:
  • Marked as "Cancelled" status (prohibited from engaging in customs declaration business)
  • Display "Suspended" status (pending violation matters exist)

Three risk points that must be noted:

• Beware of Fake Agents:In 2025, multiple cases of falsifying customs record information have been uncovered.
• Please note regional restrictions:The record number corresponds to the specific customs declaration port.
• Check related enterprises:Different subsidiaries under the group company need to file separately.

How to Verify the Authentic Qualifications of an Agency Company?

It is recommended to adopt the "dual-channel verification method":

• Official Verification:
  • Download the "Enterprise Registration Form" from the official website of the General Administration of Customs.
  • Verify the legal representative's signature and official seal information.
• On - site verification:
  • Please provide the original copy of the "Customs Registration Certificate" issued by the customs for review.
  • Check the record of filing for the special customs declaration seal

How should these special circumstances be handled?

• Overseas agency company:It must be filed through domestic branch institutions.
• Historical Record Information:You can apply to access the records through the customs archives.
• Cross-border services:Please confirm whether the filing number includes the target port.

(This article is based on the "Customs Enterprise Registration and Filing Management Measures" updated in March 2025. For specific operations, please refer to the latest announcements from customs. In case of complex situations, it is recommended to consult the Customs 12360 service hotline.)