You don't call it AVIC anymore. AVIC and COMAC combined and invested as stock and shareholders for a new umbrella company that puts most of China's engine makers into one banner: AECC or Aviation Engine Company of China.
QC is dropped for QD. It is RO not R0.
So here on, domestic engines are AECC.
QC is dropped for QD. It is RO not R0.
So here on, domestic engines are AECC.