Where does Chery get the index data of selecting suppliers?

The index data of Chery's supplier selection is the conclusion drawn from the product inspection report provided by the supplier. Chery cooperative suppliers and their accessories: BOSCH Bosch (electronic throttle, air flowmeter, phase sensor, boost pressure sensor, spark plug, etc. ), UAES United Electronics (a joint venture factory of Bosch) (ECU, EFI system), Garrett (TCI manual turbine GT20, Garrett is a famous turbine of Honeywell). The supplier will provide the measurement data report of the product.