The global evolution shows, that in international economic relations, classical trade forms are changing permanently; new forms of economic, technical and scientific cooperation appear. A big growth and diversification we can see in cooperation in fields like industry, construction, trade and scientific activities. The concept of international economic cooperation has two levels: microeconomic cooperation and macroeconomic cooperation. Their characteristics is a large complexity of economic relations, including all stages of economic activities (product development, production, financing and selling).