In addition to the consumer countries in the western world, there are also some socialist countries that have an interest in importing mineral oil from the developing countries in order to consolidate their economic co-operation and also to meet their requirements for different grades of oil.
Ukongeza kumazwe asebenzisa lo mveliso kwintshona yehlabathi kukho amazwe axhasa isoshiyalizim anomdla ekungeniseni i-oyile esisimbiwa kumazwe aphilileyo ukuqinisa intsebenziswano yoqoqosho ekudibaniseni imfuneko yodidi olwahlukeneyo lwe-oyile.