... /stainless steel 3.precision0.01mm CNC Precision machining Parts (precision part)1. Precision parts Product scope:precision parts, precision machining, machining parts2. Material:carbon steel ... , case hardening, carburization hardening, sand blasting, anodizing5. Testing facility:coordinate measuring machine, projection machine, roughness tester, hardness tester, concentricity tester6. Meet ...