... Alloy ADC-12 .A380 A382 .Machinery:Drilling ,Threading ,CNC machineFinish: chrome, zinc, gold-plated, black phosphate, painting ... parts, such asaluminum die casting and zinc die casing.Over 10 yearsrich experience . We produce strictlyaccording to customers' design and machining ... (zamac1/3/5) steel,etc2 Process: trim,grind,drill,CNC etc3 surface treatment : shot blasting , sandblasting or paiting ...