Originally Posted by
jolihokistix
Not battlefield weapons per se.
Russia has already supplied DPRK with all of those advanced systems we see on TV parading in front of the Dear Leader, hypersonics etc. Kim swore to his father that he would pursue the nuclear path unflinchingly. They now want certain key ICBM missile systems and technological refinements to bring NK up to parity with China, Russia and the US. Since Kim came to Vladivostok, Putin may have been feeling uncomfortable pressure to reveal some of these in exchange for help with supplies of ammo etc..
The question has to be how does China feel about that.