Iranian Vice President Eshaq Jahangiri speaks during a news conference in Najaf, south of Baghdad, February 18, 2015. Washington has been trying to stop Iran's petrochemicals, steel and copper exports, according to Jahangiri.
President Donald Trump said in May he would pull the United States out of an global accord under which Tehran had agreed to limit its nuclear development in exchange for sanctions relief.
"It would be a mistake to think the U.S. economic war against Iran will have no impact", Jahangiri added.
However, most countries as main buyer of Iranian oil, except China and Turkey, have announced that they would reduce their oil import from Iran significantly.
On Tuesday, the United States ambassador to Germany also called on Berlin to block an Iranian bid to withdraw large sums of cash from bank accounts in Germany.
"Required measures have been taken by Iranian foreign policy officials and those from the Central Bank of Iran (CBI) to ease related banking transactions", he added.
Despite two months passed since Trump pulled U.S. out of JCPOA, Iran's oil export volume has not changed, so that Iran's oil customers are importing its crude like before.
European powers still support the 2015 deal, under which Tehran agreed to limit its nuclear development in exchange for worldwide sanctions relief.
Foreign ministers from the five remaining signatory countries to the nuclear deal - Britain, France, Germany, China and Russian Federation - offered a package of economic measures to Iran on Friday but Tehran said they did not go far enough.
A wave of anti-government demonstrations against economic hardship and alleged corruption engulfed cities across the country in late December and early January.