Metal Pin 1.Material:copper,znic alloy,iron ... enamel; 3.Use:promotion gift 2011 New Arrival Metal PinMaterial & process:Zinc alloy,brass,iron,copper(diecasting ... , Copper, Aluminum, Soft PVC, Stainless iron. Attachment Safety pin, Pin with clutch, Ball chain, Magnet, Ribbon, Dog snap. ... Trading Co., Ltd. 1) Many years' experience in Metal Pins' manufacture2) Competitive price and reliable quality.3) ...