China is verifiably a socialist country in Marxist-Leninist sense. Unless you also want to claim that USSR under NEP was not a socialist country in a Marxist-Leninist sense in which case cool, you know Marxism-Leninism better than Lenin, congrats.

If you want to critique China there are hundreds of ways to do so, from human rights to urbanism to policing issues, but the economic equality or non-adherance to socialist principles is far down the list.

Also, bad when US corners market on China but good when China does similar. Pure garbage.

US "corners" the market by bombing countries and/or forcing them into forever austerity traps via IMF's policies.

China "corners" the market by subsidizing national industry and development.

Neither is particularly great but the two are not identical.