Athens-based Erasmus Shipinvest has returned to CSSC Huangpu Wenchong Shipbuilding for two firm 1,900 teu feeder containerships, with options for two more. The John Su-led owner signed the contract with Huangpu Wenchong and CSSC Trading in Dalian. Financial terms and delivery dates have not been disclosed. The ships are based on Huangpu Wenchong’s Swan feeder …