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).

Under CIF terms, the beneficiary of the insurance policy will be endorsed to the buyer. Once the claim is successful, the insurance company's foreign currency compensation will be directly deposited into the buyer's designated overseas company or personal account.

Currently, in most developing countries, there is a severe lack of deep repair capabilities for the three electric systems. We recommend that B2B car dealers must have basic electrical insulation testing capabilities.