2 Stop overs in China , Do i need a visa?

I have an Indian Passport and i'm a Premanent resident of Australia.
I'm travelling to Europe from Australia . Flying with China Eastern Airlines
12 Jul: Sydney-Shanghai-Amsterdam
27Jul: Amsterdam-Shanghai-Beijing-Sydney.
Reaching Shanghai on 28Jul 6AM. Connecting flight to Beijing at 9AM. Then finally from Beijing to Sydney at 2PM same day.