How to Read a Chaboshi Report Before Buying a Chinese Used Car

China Has No Carfax

The first thing an overseas buyer has to understand is that China has no single national vehicle history database like Carfax. The information exists, but it is split between dealer service systems, insurers, inspection companies and the traffic registration system.

That has two consequences. A car with no records is not necessarily a bad car, because work outside the dealer network leaves no trace. And a clean report is not a guarantee, because it can only describe what was recorded. The skill is not in finding one document; it is in reading several sources and seeing whether they agree.

What Chaboshi Is

Chaboshi (查博士) is one of the best-known private vehicle data and inspection companies in China. It was founded in 2016 and is used widely by dealers, auction platforms and buyers. It offers three related things:

• a vehicle history report built from data linked to the vehicle identification number;
• a physical inspection, where an inspector examines the car and grades it;
• an inspection guarantee, on some products, with a buyback commitment if a car later proves to be a serious accident, fire or flood vehicle.

Because these are separate products, the first question to ask a seller is simple: which one are you sending me, and what does it cover? A one-page data report and a full inspection report look similar on a phone screen and mean very different things.

Reading the Report, Block by Block

Layouts change, and the exact sections differ between products, but a Chaboshi history report normally contains the following.

Vehicle identity. The identification number, model, registration date and the nature of use. Pay attention to this block more than any other. Confirm that the identification number on the report is the same as the one stamped on the car and written on the registration document. Check whether the car is registered for private use or for operating use such as taxi, ride-hailing or rental: operating cars usually carry far higher mileage and are subject to different inspection and retirement rules.

Condition grade. Chaboshi summarises the car with a letter grade, from A at the top down to E. The grade weighs accident damage, structural repair, airbag deployment, fire and flood. Read the legend printed on the report rather than assuming what each letter means, and treat the grade as a summary that points you to the detail, not as the detail itself. A car graded one step below the top for a repaired front wing is a different proposition from a car downgraded for a structural repair, and both can look similar in a single letter.

Accident, flood and fire screening. This is the part that matters most. Look for the words that describe structural work: longitudinal members, floor pan, A, B and C pillars, sills, suspension towers. Cosmetic panel repair is normal on a used car; structural repair changes the value and the safety case.

Important components. Engine, gearbox, airbags and seatbelts. A listed repair here is not automatically a rejection, but it should be priced and explained.

Body exterior. Panel-by-panel paint and repair notes. Expect several entries on any car of this age, and read the pattern: one repaired door is ordinary, six panels on one side suggests a larger event.

Maintenance history. Service visits, the last service date and the average number of services per year. Remember that this only reflects work done inside the dealer network or reported to the data provider. A blank maintenance section on an older car is common and is not proof of neglect, but it does mean you have less to go on.

Mileage record. A timeline of recorded odometer readings, the average annual mileage and an estimated current mileage. This is the block to study most carefully.

How the Mileage Record Exposes a Rolled-Back Odometer

Odometer tampering is common enough in the Chinese used market that every buyer should assume it is possible until the record says otherwise. The mileage block gives you three checks.

The timeline must never go backwards. Every recorded reading is plotted against its date. If a reading in 2023 is lower than a reading in 2021, the report will normally flag the data as abnormal and warn of possible tampering. Treat any such flag as a stop sign until it is explained.

The average must fit the car. A private car in a Chinese city typically covers a moderate annual distance; a car used for ride-hailing or intercity work can cover several times that. Compare the average annual mileage on the report with the registration type and with the wear you can see.

The last record must fit the current reading. If the last recorded service reading is well above the number on the dashboard today, the car has gone backwards. Ask for the service invoice that produced the last record.

Then corroborate with the car itself:

• Wear points. Driver seat bolster, pedal rubber, steering wheel rim, gear selector, door sill and the driver's floor mat wear at a rate that broadly follows distance.
• Brake discs and tyres. Deep lips on the discs and mismatched tyre date codes suggest heavy use or replacement.
• Windscreen and paint front end. Heavy pitting on the windscreen and the leading edge of the bonnet is consistent with motorway mileage, and inconsistent with a very low reading.
• Electronic modules. Some control units store distance separately. A pre-purchase inspection with the right tool can read them; a visual check cannot.
• Service invoices. A stack of paper with dates and distances is the strongest corroboration there is.

No single check is conclusive. Together they usually are.

Insurance Claim Records: What They Show and What They Hide

Insurance claim records, usually called chuxian jilu (出险记录), are a separate dataset from dealer maintenance data. In China they are queried by vehicle identification number through services that draw on insurance industry data, and they are often sold as their own product rather than being bundled into a history report. If accident history matters to you, say so explicitly and ask for the claim record as a separate document.

A claim record typically lists the date of each reported claim, the type of loss, the amount claimed and sometimes the parts replaced. Read the items, not just the total. A large claim can be a cosmetic repair on an expensive car, and a small claim can be a structural pull. What you are looking for is the pattern: the same corner twice, a claim that mentions the structure, or a gap between the claim list and the repair marks you can see on the car.

Equally important is what the record cannot show. Claims settled privately, repairs paid in cash, and damage repaired without insurance leave no entry at all. A short claim list is therefore not evidence that nothing happened, and a long one is not automatically bad news. It is one source among several.

Verify the Document Itself

Reports are easy to recycle, and the most common trick in any market is sending a report for a different car. Before you rely on one:

• confirm the identification number on the report matches the car and its registration document;
• check the report date and make sure it was produced recently, not two years ago;
• open the report through the official channel rather than trusting a forwarded image, and use any verification code or QR facility printed on it;
• ask for photographs of the actual car that show the identification plate and the odometer together;
• check the name of the inspecting company and which product the report belongs to;
• ask what the guarantee covers, who honours it and for how long.

Three Sources, Not One

A sensible purchase decision combines three independent sources:

1. The data report, which tells you what has been recorded about the car.
2. A physical inspection on a lift, by a third party you chose, which tells you what is true today.
3. The documents, registration, transfer history and export paperwork, which tell you whether the car can legally leave and enter.

When all three agree, you can buy with confidence. When they disagree, the disagreement is the most valuable information you have.

Red Flags Worth Walking Away From

• Only a screenshot is offered, never the full document.
• The identification number on the report does not match the car.
• The mileage timeline decreases at any point.
• The seller describes a blank maintenance section as proof of no accidents.
• The condition grade is at the bottom of the scale with no explanation of why.
• The report mentions structural repair but the seller calls it cosmetic.
• The car is registered for operating use and this was not disclosed.
• The claim record is for a different vehicle or a different period.

How We Work

We give you the identification number before any deposit, so you can run your own checks. With the car we provide the history documents we hold, a walkaround video, close photographs of the identification plate and the odometer, and, on request, an independent inspection arranged before shipment.

Emission compliance is confirmed per vehicle against the certificate that travels with that car, not by model.

FAQ

Is Chaboshi an official government service? No. It is a private company whose reports are widely used across the Chinese trade. That does not make it unreliable, but it does mean you should know which product you have bought and what it guarantees.

Does a clean report mean the car has never been damaged? No. It means nothing serious was recorded. A physical inspection is still necessary.

Can I order a report myself from abroad? Often the simplest route is to ask the seller or your agent to order it and send the original file, then verify it through the official channel. Some services require a Chinese payment method.

Is lower mileage always better? Not necessarily. A low-mileage car that sat unused for years can be worse than a higher-mileage car that was serviced properly. What matters is that the recorded mileage is genuine and the maintenance matches it.

What if the report shows an accident? Ask what was repaired, by whom, and whether the structure was involved. A documented cosmetic repair is a negotiating point, not necessarily a rejection.

Next Step

Tell us which car you are considering and we will send the identification number, the history documents we hold and a walkaround video of that exact vehicle, so you can check the report against the car rather than against the advertisement.