South Korea's Eukor is expecting "substantial" drops in volume as a result of the pandemic.
The Wallenius Wilhelmsen (WW) car carrier subsidiary said in an update for clients that it expects disruptions continuing, with governments starting to explore how to wind down lockdown periods.
"It will take some time before we see vehicle producers re-opening their plants," it added.
"It is challenging to predict volumes to be lifted going forward, and we see that all customers’ are dropping their forecasts heavily, which will impact our normal trading patterns.