... order allowed 3. custom packaging Part name: Precision brass conductive rings in China Part Name: precision stampingWe can ... and assembly.-Material type: aluminium, steel, stainless steel, iron, brass, phosphor copper -Progress: cutting, stamping, bending, plating, assembing.- ... of 0.010 mm.Grinding MachiningControllable tolerance of 0.002 mm.Electric Discharge Machining (EDM)Controllable tolerance of ...