You got it backwards. Russia has lost most of its modern armor, artillery, and a good part of its Black Sea fleet.
And it can't even export refined petroleum products.
The rest of the world economies are growing, and Americans, Europeans, and other workers around the world are getting overtime and bonus pay to build more weapons.
Nations around the world will buy western military equipment in the future, not Russian tanks, planes, missiles, or drones.
Wrong. In order to mitigate the impact of their lost market share, Russia significantly increased oil exports to China, India, Turkey and North Korea. And they sell to plenty of other countries as shown on the graph in this article:
As of January 2024:
Russia to send most 2023 oil exports to friendly countries after output cut announcement