... 2.W:20mm*L:8.55mm,Thickness:0.05mm Battery AAA springs and connectors 1. Introduction of Our factoryDongguan Onic ... Hardware And Electronics Co., Ltd. have produced AAA springs for 5 years. They are customized throughout the year ... save cost.2. Pictures of Stamping Workshops3. Photoes of the AAA SpringProcesses: Open Molds, stamping, turning, extrusion,pray power, silk ...