Because it's not a one-time transaction. Only by ensuring compliance checks, improving after-sales service, and providing parts can a good reputation be established, leading to repeat purchases and long-term cooperation.

Our FOB vehicle quotes are typically valid for 72 hours (as domestic retail vehicle sources can be sold at any time); sea freight quotes are valid for 7 to 14 days (depending on shipping line changes). After expiration, prices need to be recalculated based on real-time exchange rates and domestic procurement conditions.

Obtaining precise internal resistance at different SOC levels requires disassembling the battery pack and connecting it to a professional charge-discharge cabinet for several days of cycling tests. This is beyond the scope of non-destructive used car inspections; we only provide real-time estimated internal resistance data based on OBD port readings.