... 4620 ProcessSand casting, Gravity casting, iron casting and CNC Machining casting.Designs1.As per the customer’s ... and opportunities to refine the material4.Machining: 3Sets CNC Machine;3 sets Milling machine; 3 sets Turning machining ... , Solid works, Auto CAD, PDFPrecision machiningCNC turning, milling, drilling, grinding, cutting, reaming and threadingFinishedPolishing, sand blasting, heat treatment ...