Metal Pin 1.Material:copper,znic alloy,iron 2.Processing:die-casting, ... , Iron, Brass, Copper, Aluminum, Soft PVC, Stainless iron. Attachment Safety pin, Pin with clutch, Ball chain, Magnet, Ribbon, Dog snap. Packaging Poly ... box, OPP adhesive poly bag, Blister Advantage of Shenzhen Leidian Trading Co., Ltd. 1) Many years' experience in Metal Pins' manufacture2 ...