sentences:  In 1997 Neptun Werft became part of the Meyer Neptun Group, which includes Meyer Werft in Papenburg.Neptun Werft has geared its activities to its core maritime sector, while many companies formerly belonging to NIR and dealing in different sectors were sold, or set up independent operations.Since the year 2000 the shipyard's activities have been centred on the premises in Warnemünde (a district of Rostock), and the construction of river cruise vessels has been included in the product range.