He has said he wants a diplomatic solution similar to the one that Britain reached with China over Hong Kong.

https://en.wikipedia.org/wiki/Handover_of_Hong_Kong

During talks with Thatcher, China planned to seize Hong Kong if the negotiations set off unrest in the colony. Thatcher later said that Deng told her bluntly that China could easily take Hong Kong by force, stating that “I could walk in and take the whole lot this afternoon”, to which she replied that “there is nothing I could do to stop you, but the eyes of the world would now know what China is like”.[37]

The military situation of Argentina and China aren’t exactly the same.