... Passing the certification of ISO9001-2000 Quality Management System in 2003 . • Mainly produces:Spare parts for marine ... , Partitionwall, Bladed shaft( cast in block ) , Broached shaft, Nozzlering, Coverring, Diffuser, Insertwall, Oil pump, Bearing, Bearing casing, ... Bladed shaft ↔ Precision casting factory ( Blades and disc ---cast in block ) . Blades ↔ Precision casting , X-ray flaw detector ...