... -62 3.could be used in bicycle,bearings ball retainers for bicycle parts,bearing cages,copper,nickle plated ... hardness.7)Using:1. General industry for automobile, motorcycle, bicycle manufacturing, special bearings & micro – ball for the electronics ... images: Company Name:Yuncheng County Longteng Steel Ball Manufacture Co., Ltd. Business Type:Manufacturer, Trading Company, Distributor/Wholesaler Product ...