... Needle detector free, 2.Nickel-free. 3.Eco-friendly snap fastener, snap button 1.Needle detector free,2.Eco-friendly,Nickel ... company in China. We manufacture various sewing supplies which included hooks and bars, waist adjuster, skirt hooks, hooks and eyes, snap ... fasteners, and silk covered snaps.All our products are registered in China under the trade-name ...