The international oil companies have made dlrs 10 billion in investment in Iranian oil and gas sectors in the past several years, member of Majlis Presiding Board Ahmad Nejabat said on Monday.

"Despite the US pressure, European oil companies have been involved in developing Iranian oil industry." He said that Total of France, Royal Dutch/Shell and other international oil companies have made large investment in developing the twelfth and 13th stages of South Pars gas field.

He said that it is unlikely for the European states to bow to the US pressure for tougher sanctions on Iran, because they will not allow their national interests to be damaged by the US greed.

Asked about US Secretary of State Condoleezza's upcoming visit to the Middle East, he said that her former tours of the Middle East have always led to escalation of tension and conflict in the region.

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