China’s Yangzijiang Shipbuilding reported it completed its planned investment in Seaspan, a leading maritime asset-owner and operator focused on long-term, fixed-rate leases to the world’s most prominent shipping lines. The move, which was initially announced in March 2026, is presented as a strategy to put the shipbuilder closer to a key customer and to gain closer access to the end-market dynamics, which it says will enable better market intelligence.

The board of Yangzijiang approved the investment, saying they expected to strengthen its relationship with a long-term customer and support a closer collaboration. They said the investment would also support a vertical integration strategy and permit the shipbuilder to…