China Railway Engineering Corporation
"The company signed another deal in July 2018 with Iran’s Ahvaz Municipality to build the city’s second subway line, according to an Iranian press report." (“Chinese, French, Italian firms sign MoUs to develop projects in southwestern Iran,” Trend News Agency (Azerbaijan), July 9, 2018.)
"Italferr, a unit of Italy's Gruppo FS Italiane, said in March 2016 it had signed a four-month, 700,000 euro consultancy contract with Iran's state railway entity on a high-speed rail line. Iranian officials have said Khatam al-Anbiya, an IRGC subsidiary sanctioned by the United States, is the Iranian contractor on the project. Italferr named only Chinese company China Railway Engineering Corp. (CREC) as the contractor, and did not mention Khatam al-Anbiya. Officials with Italferr, CREC, and Khatam al-Anbiya did not respond to requests for comment. The IRGC declined to comment.($1 = 0.9362 euros)." (Reuters, "Post-Sanctions Deals with Iranian Firms Linked to Khamenei," 1/19/2017).