https://en.wikipedia.org/wiki/German–Soviet_Commercial_Agreement_(1940)

While some slowdowns and negotiations occurred especially during the early negotiations of specific orders,[3]: 105  the Soviet Union met most of its requirements under the agreement.[18]: 108  It became a major supplier of vital materials to Germany, including petroleum, manganese, copper, nickel, chrome, platinum, lumber, and grain.[19]

The Soviet Union also bought and shipped other materials to Germany, such as rubber[19] from India.[18]: 110  The Soviets shipped approximately 800 million deutschmarks of goods.[18]: 110