I have valid Australian AND Dutch passports - do I need a vis for the following flights?:

To Australia (as a tourist)
DEP 27 Dec 14.10 Amsterdam
ARR 28 Dec 06.55 Beijing CZ346

DEP 28 Dec 10.30 Beijing -
ARR 28 Dec 13.45 GZ (Baiyan Term. 2) CZ3112 - wait in G. for 8 hours
DEP 28 Dec 22.15 GZ -
ARR 29 Dec 09.55 Adelaide CZ663

Return to the Netherlands
DEP 13 Jan 11.30 Adelaide -
ARR 13 Jan 18.15 GZ (Baiyan Term.2) CZ664 (all night in G.)
DEP 14 Jan 08.40 GZ -
ARR 14 Jan 16.05 Wenen -

DEP 15 Jan 06.55 Wenen
ARR 15 Jan 09.00 Ams CZ 7925