... customized products CNC machining MaterialSteel, Zinc, Aluminium, Brass, Copper, Bronze, ADC12, A380, ALSI9CU3, ALSI12FE, A390, ADC14, Aluminium alloy, steel alloy, magnesium alloy, AZ31B, 1045 steel, sus304, ... 45cr, 40cr, 38crsi, etc.Surface treatmentNickel plating, zinc coating, chrome plating, and ...