... , A380, ALSI9CU3, ALSI12FE, A390, ADC14, Aluminium alloy, steel alloy, 1045 steel, sus304, 45cr, 40cr, 38crsi, Magnesium alloy, etc.Surface treatmentNickel plating, zinc coating ... brass machining precision parts stainless steel machining parts automobile machine part cnc special machining cnc machining eccentric shaft center shaft main ...