SUS420J2, etc. Aluminum, Brass, Bronze, Copper, Hardened metls?are available.ProcessCNC ?machining+CNC millingTolerance+/-0.01mmSurface treatmentPlain, polishing, passivation, sandblasting, brushed, laser?or cnc engravingService AvailableOEM ?T/T,?L/C and Western unio is available.Logistics?ServiceBy sea,air,express,EXW,FOB,CIF,DDU,DDPPort of DispatchShenzhen