... castingMarine Hardwareinvestment castingOEMChina Item No.Casting(Lost wax casting, precision casting, evanescent mode casting, investment castingKey specification1.Material: ... machine, pickling line.2.Machining facility: CNC machine, linear cutting machine, NC milling machine, polishing machine.Heat treatmentannealing ... test machine, mircoscope. China!! steel Marine Hardware precision casting part