Big Stage can give you 3 month warranty or 3,000km warranty after the car delivery.
Big Stage will be responsible for your after follow.

You can choose a long term warranty system (CarSensorTrust) as an option. Just by paying certain warranty fee to each vehicle, car mileage, number of repairs are unlimited. Please consider the optional warranty when purchase a used car

Long Term Warranty System (CarSensorTrust) detail's here