... machining: 1 production line4.Sand casting machine: 6 production lines5.Machining: 3Sets CNC Machine;3 sets Milling machine; 3 sets Turning machining; 10 sets ... /E,UG, Solidworks, Auto CAD, PDFPrecision machiningCNC turning, milling, drilling, grinding, cutting, reaming and threadingFinishedPolishing, sand blasting, heat treatment, painting, powder ...