Re: "Australia and New Zealand, who both have free-trade deals with China"
"transferring high-tech technologies is dangerous."
Well, whoops: too late! You do know that much technology manufacturing occurs in China? But I'm sure some Chinese "spies" have long since dismantled a BMW to see how it works and try and make a copy.
"Exporting agricultural products is easier," European cheese, wine, cars, fashion. They can't get enough of it. Why wouldn't you want to increase hen value of exports to China?
"Plus authoritarian states are not reliable, because they can change agreements on a whim "
Indeed. When the UK entered the EEC, they were prevented by the EEC, from importing more than a token amount of NZ lamp. Thanks friends. But we coped with that whim change and grew stronger for it.
"agreements on a whim - that includes US, now." So, what trade agreement does the EU have with the USA? And please explain how the US is "authoritarian" this year, but wasn't last year (i.e. pre-2016 election)?