... quality. Die casting partsFeatures:1) High dimensional precision capability: a) High precision zinc and aluminum castingsb) Critical dimension controlsc ... , nickel, chrome platingsandblasting, painting, PVC powder coating 9) Precision machining: CNC lathes, milling, drilling, planning, grinding machinesand testing ... ST-210 1 1.0 Acceptable Hardness Tester HR-150A 1 3.0 Acceptable Production Flow: 1 ...