Always have been. Also until relatively recently they were also helping Russia pipe its oil through their country into Europe. Because Europe is still running partially on Russian oil too, and because Ukraine need Europe’s permission to do anything about it if they want Europe to keep helping their defense. This is what happens when you put money and economics above morals and values and the environment and reason. Oil always wins because we’re fucking desperately addicted to the stuff and not even war and death can break our addiction, if anything it increases it.