... days samples provided before productionQC inspection 100%Customized precision CNC machining products A:certification: ISO9001:2008B.Products ... pinions, wheels ) bearing, LED light-fixture, auto parts, electronic parts, etc.C.Advantage1. Competitive price with good quality ... iron6. Aluminum: 6061, 6063,7075,5052 etc.E.Processing Method cnc machining, turning, milling, drilling, grinding, broaching, ...