TDS Line: Iranian domestic ship, headquartered in Teheran, Abbas and Daba. KHO and other branches are carried by ship with a voyage of 2 1-23 days. Iran can provide internal services, own its own yard and complete services.
SCL: China nationality, no branch in Iran, no shipping service, and the voyage is 23-26 days. There is no internal support service in Iran.
UCL: China nationality, Iran has no branch, no shipping, and the voyage is 23-25 days. There is no internal support service in Iran.
Walter: UAE nationality, no branch in Iran, on board. There are two voyages, 4/6 33-35 days, 6/ 1 23-26 days. There is no internal support service in Iran.
PURM: British nationality, no branch in Iran, no shipping, no port pressure for 33-35 days voyage, no internal service in Iran.
MCL: Iraqi nationality, Iran has no branches, and it is transported by ship. There is no pressure to dock for 23-26 days, and there is no back office in Iran.
FLIN: China nationality, no branch in Iran, and no ship carrying it. The voyage will last for 23-26 days, and Iran has no back office.
PS: I believe the landlord can see for himself which boat is better at present.