politics aside, yes SYD does have more services and cities to Mainland China than MEL
SYD: CAN, PEK, PVG, TAO, XMN, XIY, CSX, CKG, CTU, SZX, HGH, NKG, KMG, WUH, FOC
MEL: CAN, PEK, PVG, TAO, XMN, XIY, CSX, CKG, CTU, SZX, HGH, CGO
As you can see, SYD is ahead, however MEL isn't doing too bad...