Speaking with reporters at the International Mehrabad Airport upon return from Azerbaijan visit ,president Rouhani said here on Thursday that an achievement of his visit to Azerbaijan was positive and in the interests of two nations. President Hassan Rouhani said that Azerbaijan is a proper route for transfer of Iranian commodities to Russia. He expressed his satisfaction with the growing trend of Tehran-Baku ties. He said the two sides discussed avenues to bolster bilateral ties as well as the ongoing developments in the region and around the world. President Rouhani added that further expansion of mutual relations in political, trade, economic, cultural and humanitarian arenas were stressed by the two. He called for removing the existing investments restrictions in, saying such a move will enhance the level of mutual economic relations.