According to the official website of Bosch in Iran (www.bosch-iran.com), they are working with U.S. Treasury designated entity Mellat Bank.
Mellat Bank is added to the Specially Designated Nationals (SDN) list maintained by the U.S. Department of the Treasury’s Office of Foreign Assets Control (OFAC) on 10.16.2018 pursuant to Executive Order 13224, for assisting, sponsoring, or providing financial, material, or technological support for, or financial or other services to or in support of, Andisheh Mehvaran Investment Company. Andisheh Mehvaran Investment Company have connections to Bonyad Taavon Basij – Entity controlled by IRGC
