Largely ammunition otherwise you would have to consider North Korea had its own vast stores of such that were more than the N.A.T.O stocks
www.pravda.com.ua
this graph shows a large increase in imports from China to North Korea
www.nknews.org

North Korea supplies 40% of Russia’s weapons – Ukraine’s Defence Intelligence chief
North Korea currently supplies up to 40% of Russia’s ammunition for the war in Ukraine, as the partnership between Pyongyang and Moscow deepens.


North Korea-China trade jumps to $230M in May, bringing yearly total to over $1B | NK News
North Korea’s trade with China jumped 26.8% year-on-year in May to $230 million, new customs data shows, continuing a trend of strong growth in 2025 and holding steady amid speculation surrounding a strained relationship. The total trade volume last month marked a 3.5% increase from $222.1...
