... 1.5KW 50Hz DLQC-D-3Auto air-conditioning system experiment bench 1. Consitue:Passat entire vehicle electrical system, battery, experimental paneland equipment bench ... wiring board is fully functional 3)Intake, ignition, fuel injection system, dynamic display; burglar, control, and electronic systems working; ... their company or come to Dolang for training Auto air-conditioning system experiment bench