Owner are the Chinese state-owned CSSC.
The twelve cranes will be deliverd by MacGregor, which belongs to the Finnish group Cargotec. Each vessel will have a combined lifting capacity of 900 tons. The 13,300 dwt vessels will be delivered starting from the summer of 2017. There are options for building other four sister ships.
Hammonia´s fleet comprises about 60 vessels wiht the bulk of them being container ships.