But on the way to the G20, China's President Xi Jinping went to Moscow to form a united front with Russia's Vladimir Putin.
By comparison, on Thursday Donald Trump warned North Korea he was considering "some pretty severe things" if it did not abandon its missile development in the coming weeks and months.
So far, Mr Turnbull has echoed the US line that China needs to "do more" to haul in the hermit kingdom.
Malcolm Turnbull has clarified Barnaby Joyce's suggestion that Australia would have sympathy for imposing trade sanctions on China over its relations with North Korea, reiterating that longstanding sanctions are imposed under the United Nations. While already leaders of these nations have arrived at Hamburg, ahead of the main event on July 7 and July 8, many of these nations have developed differences ranging from environmental issues to prevailing tensions or war-like situations, and are expected to use this platform to at least find a resolution acceptable to all. These are some of the first Chinese citizens and companies added to the OFAC sanctions lists targeting North Korea.
The manager, who refused to give her name, said the raw material is sent to factories in the southern city of Guangzhou, where it is made into rings and bracelets.
"It's a shame (North Korea) is behaving this way. something will have to be done about it", he said during a pre-summit visit to Poland.
"But we will work cooperatively through the United Nations and taking measured steps autonomously, but focused on bringing the economic pressure to bear on North Korea to bring that regime to its senses without conflict".
"Australia is a party to and supports and is complying with our commitments under the Paris agreement", he said.
The second day of the Summit will begin with the third working session on 'partnership with Africa, migration and health' while the fourth working session will be on 'digitisation, women's empowerment and employment'.
Russia is already irate at the US over what it describes as a "sanctioning frenzy" over the Ukraine.
First, Treasury's Financial Crimes Enforcement Network (FinCEN) announced a finding that Bank of Dandong acts as a conduit for illicit multi-million dollar North Korean financial activity and is, therefore, a primary money laundering concern.
"In short, it's somewhat predictable that we're going to move in that direction".
As the host of the Asia-Pacific Economic Co-operation (APEC) forum in 2017, Vietnam is invited to attend G20 meetings this year and provide input to the final leaders' communique to be released on Saturday. So India deployed its troops to the Doka La area, which is known in China as Donglong, after which China alleged that India has trespassed into their territory, obstructed the construction of the road and issued veiled threats of war.
"On North Korea, it's important that we see China playing its role and any other [country] who can exercise influence".
The Australian prime minister and Indonesian president, who last met in Sydney in February, are among the leaders attending the summit, which starts on Friday in Hamburg.
The Prime Minister also spoke about the US President's controversial decision to withdraw from the Paris Agreement on climate change.