Wintershall, a company from BASF Holding, is oil executive in upstream industry and extraction of oil and gas.

Wintershall is also willing to broaden cooperation in other areas including training, research and development with the Iranian party.

Based on the agreement, the required information will be exchanged between the two companies next month.

According to officials at Iran's petroleum ministry, German companies are to invest some dlrs 12 billion in Assaluyeh petrochemical plants.