... seat, spring, connector, socket, bushing, push-button, etc.Surface Finishannealing, natural anodization, heat treatment, polishing, nickel plating, chrome ... and assemblyAdvantages1. Competitive price with good quality 2. Low MOQ (200pcs is even acceptable in some special ... lathes3.Material:Carbon steel(cold rolled steel sheet,galvanized steel sheet or tube),stainless steel,copper ,brass,aluminum ...