... casting experience 3. CNC, all types of laths Marine retaining ring/ casting part 1. steel casting part 2. 10 years casting ... , CAXA UG, CAD/CAM/CAE 6.Precision machining CNC, milling machine, drilling machine, numerical lathe, all types of lathe. 7.Surface finish ... drilling center.With good packing for every item. Marine retaining ring/ casting part