Never before has the humble ocean shipping container been this important to American business. If you can’t get one, you can’t move your international cargo — and supply has never been tighter. The cost of global trade is now contingent on how many containers exist, where they are and where they aren’t.
How many containers exist is controlled by China. Virtually every ocean shipping container in the world is built there.
Just three Chinese companies account for the majority of production, with...
https://www.freightwaves.com/news/how-three-chinese-companies-cornered-global-container-production