This is an ongoing political event but the long and short of it is that after years of Australia attacking China either via banning Huawei, ransacking and imprisoning Chinese journalists or joining Trump's trade and cold war, the Chinese really only started to attack Australia's trade when the Australian Prime Minister made an official statement to persecute a Chinese artist for speaking up against Australian SAS atrocities in Afghanistan:




Just today, australian timber was targeted, just one of a long list of australian products that are now excluded from the lucrative Chinese market: barley, cotton, beef, lobsters, coal etc, seems like every week there's a new australian product that gets targeted by China for exclusion.

China-dependent Australia unwise to risk trade war with Beijing, says ex-Canberra diplomat
Source: https://www.scmp.com/economy/global-...mpaign=3090136

But in the meantime, other nations like Russia, Indonesia and Mongolia, not to mention the US and Canada and the EU are more than happy to sup on what was formerly Australia's market share in the rich Chinese domestic market: https://twitter.com/CE_ChinaEconomy/...591031297?s=20

But this isn't merely to teach Australia a lesson, a lot of this is to fulfil the Phase I trade deal with the US:
ChinaÂ’s US barley, blueberry move focused on trade war deal, unrelated to coronavirus backlash against Australia
Source: https://www.scmp.com/economy/global-...ontent=article

Australia is losing this trade war, analysts posit a lost decade for australia unless the anglo nation kowtows and submits to China

An all-out trade war with China would cost Australia 6% of GDP
Source: https://theconversation.com/an-all-o...-of-gdp-151070

But tbh, what China wants out of Australia isn't really all that out of the ordinary, basically, don't be america's lackey and actually have an independent foreign policy: