... steel,carbon steel,copper,zinc,iron High precision cold forging/forged Our German CNC hammer forging equipments ... A182 F51/UNS S31803, F52/UNS S32950,F55/UNS32760,)Surface treatment : Polishing , Brush , Sand Blasting , Various anodizing colors ... your client's drawing, advise material and surface treatment and crafts, we can quota to you. Drawing ... products pic as below High precision cold forging/forged