... experience 1,Name: Carbon steel stamping part with black oxide coating;Carbon steel stamping part;Stamping part with balck oxide ... coating 2,For the similar stamping part,what can we do ?(1), Ability for the material of this kind ... dip galvanizing,etc Flame plating Light oil,spray coating,electrophoretic coating,etc Polishing Grinding and polishing,etc,except mirror finish (3), ...