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What is the Certificate Number?

4 Answers
MadelineFitz
07/29/25 6:33pm
The certificate number is the number on the vehicle's certificate of conformity. The certificate of conformity is a necessary document when registering a vehicle. Only vehicles with a certificate of conformity meet the national standards for motor vehicles and can be sold on the market. Additional information: 1. A vehicle also has a Vehicle Identification Number (VIN), which is like the vehicle's "ID number." It is a unique 17-digit code used to identify the manufacturer, engine, chassis number, and other specifications of the vehicle. 2. The certificate of conformity is issued with the vehicle when it leaves the factory. When registering the vehicle, it must be submitted to the vehicle management office for archiving and replaced with the vehicle registration certificate. Therefore, the certificate of conformity for unregistered vehicles should be in the hands of the dealer, while for registered vehicles, it is stored in the vehicle management office's archives. 3. Both the VIN and the certificate number are important documents required for motor vehicle registration. The VIN, engine number, and chassis number must match the information on the vehicle's certificate of conformity to facilitate registration, annual inspections, and transfers. Missing any of these can cause significant inconvenience.
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MacWillow
08/14/25 11:37am
I've always considered the vehicle conformity certificate number quite important. It's a unique serial number assigned to each vehicle upon production, printed on the certificate, just like a car's ID card. This number proves the vehicle has passed national quality standard inspections - without it, you can't get license plates or complete ownership transfers. Back when I bought cars, I had to carefully verify it to avoid counterfeits. If lost, you'd need to contact the original manufacturer for reissuance, which is time-consuming and troublesome. I recommend photographing and archiving it immediately after purchase for future reference or paperwork. By the way, it's different from the VIN (Vehicle Identification Number) - don't confuse them. The former is a compliance certification, while the latter is a body identification mark.
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RichardRose
10/14/25 6:45am
Bro, the vehicle certification number is essentially the code that proves whether a car is qualified or not—it's a must-check digit string when buying a car. Last time I helped a friend pick a used car, we found that if the number didn’t match, it immediately raised red flags—it could be a salvaged or reassembled vehicle. It’s a label issued by the manufacturer, used for registration and warranty services. Don’t take it lightly; if the certificate gets lost, you’ll have to visit the 4S store to handle the paperwork. Remember to regularly check the certificate’s status, especially before transferring ownership—verifying it thoroughly saves you a ton of hassle.
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MacLawson
11/27/25 7:40am
I've seen that the vehicle certificate number is a unique code generated during production, which binds vehicle information to ensure compliance with national standards. Without it, registration or insurance claims cannot be processed, and sales staff always remind buyers to keep it safe when purchasing a car. It's recommended to take a photo as a backup, as the reissuance process is complicated if lost.
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