Azerbaijan and Kazakhstan pledged here Thursday to establish a sustainable partnership to promote economic cooperation. The two countries have established a solid legal basis for trade and economic cooperation, Azerbaijani Deputy Minister of Economic Development Niyazi Safarov told a joint business forum. Safarov said over 40 Kazakh companies are operating successfully in Azerbaijan, and Azerbaijani businessmen invest in Kazakhstan as well. Serik Aydarbekov, head of the Kazakh delegation and also governor of the Atyrau city, said the business forum has provided great opportunities for development of bilateral business partnerships in the agrarian and food industry. He said Kazakhstan would provide favorable investment environment for Azerbaijani enterprises, adding that they were also interested in Azerbaijan\'s experience in the petrochemical industry and agricultural management.