... the certification of ISO9001-2000 Quality Management System in 2003 . • Mainly produces:Spare parts for marine ... turbochargers. Rotor complete, Blades, Partitionwall, Bladed shaft( cast in block ) , Broached shaft, Nozzlering, Coverring, Diffuser, ... machine) , Dynamic balancing machine . Broached shaft ↔ Friction welding machine. Bladed shaft ↔ Precision casting factory ( Blades and disc ---cast in ...