... machining parts base on drawing or sample Aluminum cnc machining: 1.Material: high quality aluminium; ADC12, A380, ALSI9CU3, ALSI12FE, A390, ... , phosphate coating Brass Copper parts machining1.Materials: Cu-OF, CuAg0.1, CuZn10, CuZn30, Cuzn35, CuZn37, CuZn40, CuSn4, CuSn5, CuSn6, CuSn8, ... automobile machine part cnc special machining cnc machining eccentric shaft center shaft main shaft axle shaft