... :ISO9001/TS16949 2.Precision:0.005 3.Material:Aluminum,zinc,iron,brass 4.Surface:accordingly stamping die casting, punch dies, pellet ... : Aluminum alloy, A360, A380, ADC 10, ADC 12, ZL102, ZL104, iron, brass, copper zinc etc3.Tolerance: 0.02mm4. Advantage: High quality ... and PackagingTo further reduce your cost we produce plastic and metal parts in China. Assembly is generally the most labor intensive ...