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).

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.

FOB (Free On Board): Includes the purchase price of the vehicle, transfer fees for registration in China, export license fees, logistics costs for trucking to the port within China, and port handling and customs fees. CIF (Cost, Insurance, and Freight): In addition to FOB, it includes the shipping cost from China to your designated destination port (RoRo or container), as well as cargo insurance during international shipping.