Tie pin1) Material: brass,iron,zinc alloy,stainless,fabric and so on.2) Plating: gold,anit-gold,silver,anti-silver,nickel,anti-nickel,bronze,chrome,copper,anodised plating. Misty plating,brushed brassanti(gold,silver,copper,bronze).3) Processing: Stamped brass and iron,die casting,spin...