Has the vehicle's VIN (chassis number) been polished or altered?
We will carefully check if the chassis number on the windshield, chassis, and door frame matches.
We will carefully check if the chassis number on the windshield, chassis, and door frame matches.
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.
We use two steps: 1. Insert a medical-grade endoscope through the spark plug hole to visually inspect cylinder wall scratches and carbon buildup on the piston top; 2. Extract an engine oil sample to check for large metal debris or emulsification (caused by coolant leakage).