... items11.Finishing:Mirror,fransting,sand lasted,polishing and so on per clients requirement12.Advantage:low noise, no sharp ... steel, carbon steel (according to customer's requirement)Surface treatmentHot galvanized, polishing,mirror,bluing,flat grind,tin ... casting, cnc maching, cnc drilling hole, welding, heat treatment, grinding,polishingSizeAccording to customer's desingThickiness1mm-15mm, or other ...