China Eastern SYD to Shanghai A330 – old aircraft, no personal entertainment pad, small seat space, poor food & average crew services.
China Eastern Shanghai to Singapore A320 – relativly new aircraft, got a personal entertainment pad, small seat space, poor food & average crew services.
Qantas A380 (China eastern code sharing flight) Singapore to SYD – new aircraft, got a personal entertainment pad, good economy seat space, good food & better crew services than China eastern. But A380 economy class toilets are way overcrowded than normal jets.