We supply all kinds of electroplate balls. zinc-plated, nickle- plated, chrom-plated, copper cover Model Number2mm ... a professional steel ball manufacturer supplying all kinds of electroplateballs such as zinc-plated, nickel plated, chrome plated and copper ... , bearings, wheel, bicyclesand trust bearing pulleys Copper Plated Ball/zinc-plated, nickle- plated, chrom-plated, copper covered ball Copper ...