Communism was a resounding failure, both from an economic-social perspective and in terms of basic freedoms and human rights. China's success is precisely becuase it is not communist.
The agreement between Argentina and China on the installation of a Chinese space station in the town of Bajada del Agrio sparked controversies that persist to this day due to the secrecy of the negotiation.
Relations between China and Latin America have become increasingly relevant since the beginning of the 21st century, in a context of profound transformations in the international order.