... >Tolerance: 0.05mm <4>ISO,SGS Description of Our Metal Shielding Shrapnel with Gold Plating : 1. Available Material: Stainless Steel, cooper ... company has 15 years' experience to design and produce different kinds of Metal Stamping Parts.The scope of our products ... is Metal Stamping Part, Battery Contact, Metal Terminal, Shielding Case / Cover, EMI Shielding Shrapnel, ...