... 3. custom packaging Part name: Precision brass conductive rings in China Part Name: precision stampingWe can provide fabrication, deep drawing, ... , bending, plating, assembing.-Equipment: tonnage 5T-500T punching machine, bending presses, plate cutting machine -Surface treatment: painting, anodizing, sandblasting, chrome plating, ... : wmchina (chat on line) Precision brass conductive rings in China