... , iron alloy, high strength aluminum or high quality steel magnesium, AZ31B, AZ91, AZ31, ZM5, ZM6, MB8 aluminium, 2024, 6061, 6082, 7075 ... , ALSI9CU3, ALSI12FE, A390, ADC14, Aluminium alloy, steel alloy, magnesium alloy, AZ31B, 1045 steel, sus304, 45cr, 40cr, 38crsi, etc.Surface treatmentNickel plating ...