Our documentation department has the latest versions of UN38.3 (United Nations Transport of Dangerous Goods Test and Standards) and MSDS reports authorized or filed by major Chinese new energy brands (such as BYD, Geely, GAC), which are essential customs documents for declaring dangerous goods to the maritime authority.

A Chinese history report (查博士, 精真估, or 4S-shop records) usually contains several sections. Here's how to read them. Accident records: entries tagged 重大事故 (major accident) or listings at an insurance payout above 30% of the car's value are serious red flags. Airbag deployment is a deal-breaker for most buyers. Mileage timeline: check that mileage increases logically between service visits. A sudden drop between two dates means odometer tampering—walk away. Ownership count: more than 3 owners in 5 years suggests a problem car. Also check the 使用性质 field: a car registered as 营运 (commercial/taxi use) has a much shorter legal lifespan. Maintenance entries: consistent 4S dealership records are a good sign; long gaps aren't necessarily fatal if the owner used independent shops, but ask for receipts. Cross-check the report against the VIN plate, registration certificate, and physical inspection. If the report shows no accidents but paint thickness readings say otherwise, trust the metal, not the paper.

Experience turbo lag and power surge during road tests; check for significant oil accumulation at the turbo intake and intercooler connections (slight oil vapor is normal); and use OBD to read the real-time boost pressure peak to see if it meets factory settings.