The yard said it had signed a deal at the start of the year for 15,000-dwt ships, but did not name the owner.
The contract was confirmed on 19 January.
The Qidong City yard has an orderbook including tankers, offshore vessels, tugs and barges.
China's Jiangsu Hongqiang Heavy Industry has revealed a new order for five bulkers.
The yard said it had signed a deal at the start of the year for 15,000-dwt ships, but did not name the owner.
The contract was confirmed on 19 January.
The Qidong City yard has an orderbook including tankers, offshore vessels, tugs and barges.