... luggage, hardware, grinding media,Valve, aerosol and finger pump, bearings, and electronic components6. Standard: GB/T-308-2002, GB ... /T1148-93Production process of Stainless Steel Ball:Drawing, Heading, Flashing, Heat-treatment, Grinding, Lapping1, ... Lapping2, Inspection, Packing.Packing information of Stainless Steel Ball:Oily packing in pouch packing, plastic/tin box packing1, ...