Seaspan Corp has forward-fixed charters on 17 boxships with Cosco Shipping Lines.
The leading tonnage provider has agreed charters with the Chinese carrier on vessels with an average size of 7,000 teu up to two years before their existing contracts expire.
The length of the charters has also been extended, with some deals running until 2027.
Charters on 13 vessels were due to expire in 2022, with two more this year and two in 2023.
