... and easy operate. cyanide type Alkaline Cyanide Copper Plating Chemicals for button, zipper, buckle1. Features1.Bright and smooth coating, the ... solution, low-cost.Widely applied in the base copper plating, for garment accessories like zipper, button, buckle2. The component of the ... and operate the bath. widely applied in plating industries, for the base copper layer, with good quality and easy ...