... (HPb59), C38500 (HPb58), C27200 (CuZn37), C28000 (CuZn40) etc.4. Bronze: C51000, C52100, C54400, etc.5. Iron: 1213, 12L14 ... % inspection on critical dimensions before shipment.Our processingCNC machining, turning, milling, grinding, welding, jig boring, stamping, die ... as your requests. Manufacturer of 5 Axis CNC Machining Center Custom Precision CNC Machining Part, 5 Axis CNC Machining Center