... NOPrecision CNC MachiningMATERIALSteel, stainless steel, aluminum, zinc, copper, brass, plastic etc metal.SURFACE TREATMENTPolishing,chrome,zinc,nickel ... CNC machining center, high speed punch, bending machine, injection machine etc,and CMM, tool microscope, projector, height ... good quality high quality.APPLICATIONAuto,motorcycle,bicycle,machine,electronic,furniture,buildings and other industrial uses ...