
Vehicle certificate number is recorded in the first column at the top right corner of the vehicle certificate, which can be directly checked by users. The certificate number can be checked online through the Equipment Industry Development Center of the Ministry of Industry and Information Technology. Dealers can check at the vehicle office where the vehicle is registered. The engine number can be compared to see if it matches the factory records and the engine number on the vehicle license.

As a long-time car owner, when I need to check the vehicle certificate number, I usually use the Traffic 12123 APP. After opening the app and binding my license plate, I can access the complete vehicle information file in the motor vehicle details page, which clearly displays the certificate number. If it's not found in the app, I can directly visit the local DMV website and enter the VIN and license plate number to check the vehicle registration information, where the number is definitely listed. However, it's important to note that the DMV collects and archives the paper certificate during vehicle registration, so it's advisable to keep a photo or copy of the certificate taken at the time of purchase. If the original is lost, the 4S dealership can retrieve the file by searching with the VIN. Lastly, remember that these operations require real-name authentication, so protecting personal privacy is crucial.

When I first bought my car last year, I also researched how to check the certificate number. The easiest way is to ask the 4S dealership for an electronic copy. After they upload the vehicle information to the manufacturer's system, you can retrieve the scanned certificate by providing the last six digits of the VIN. Alternatively, you can visit the brand's official website. I tried entering the VIN and verifying with my number in the owner service section, and the complete vehicle information popped up, including the 17-digit certificate number. Nowadays, you can also check on environmental protection websites. Log in to the National Motor Vehicle Environmental Protection Public Inquiry Platform, enter the VIN and the last digits of the engine number, and the environmental protection list will display the certificate information. Remember to ask the salesperson to take a photo of the certificate and send it to you when you pick up the car, so you can always check it in your phone's photo album later. This number is particularly important during used car transactions, as it's a required item for transfer documents. Checking it in advance can save you a lot of trouble.

There are three main channels to query the vehicle certificate number: the official APP is the fastest. After binding the vehicle on the Traffic 12123 platform, the certificate number will be displayed on the motor vehicle information page. The environmental protection website is also an option—enter the VIN on the Motor Vehicle Environmental Protection Network, and the certificate number will appear at the top of the emission information page. If all else fails, bring your ID card to the vehicle management office, where the window query system can retrieve the electronic records immediately. Note that each query requires the complete VIN, which can be found in the lower left corner of the windshield or on the vehicle registration certificate.

To verify the vehicle certificate number, three key pieces of information must be confirmed: the accurate VIN (Vehicle Identification Number), engine number, and license plate. Log in to the Traffic 12123 APP, navigate to the 'Motor Vehicle Services' section, and locate the file information page where the certificate number is listed. Using third-party platforms is not recommended due to the high risk of information leakage. In fact, when purchasing a car, the certificate copy is stapled on the first page of the purchase documents provided by the 4S store—finding and copying it directly is the safest method. For used car transfers, you can request records from the vehicle management office, where staff will print a vehicle registration certificate that includes the certificate number. It is advisable for car owners to take a photo of the certificate and store it in an encrypted album on their phones for easy access during insurance claims and annual inspections.

When helping friends with transactions, I often need to check the vehicle certification number. There are two official methods: The most convenient way is for the vehicle owner to check via the Traffic Management 12123 App, where complete information is displayed after binding the vehicle. For non-owners, you can bring the vehicle registration certificate and a letter of authorization from the owner to the vehicle management office's archives department to apply for a query. Recently, I've noticed that some brand official apps have added certified owner services, allowing certified owners to download electronic versions of the vehicle certification. Another lesser-known method is to check the insurance policy; the electronic policy details of the compulsory traffic insurance purchased at the time of vehicle purchase usually include the certification number. Additionally, a reminder: this number is also required when processing vehicle scrapping procedures, so having it prepared in advance can save unnecessary trips.


