SHANA � The head of the Central Bank of Iran said that petrochemical companies were the vanguard of supplying the country's needed foreign currency.

Addressing a meeting if Iranian President Hassan Rouhani with petrochemical industrialists on Monday, the CBI chief, Abdullah Nasser Hemmati, said that petrochemical companies had performed well, adding the sector had supplied 20% of the country�s need for foreign exchange.

�The petrochemical industry�s performance has been remarkable and we were able to supply the country with foreign exchange despite the unprecedented pressure of the enemies,� he said.