... noise &wear resistance 4. Fast delivery Stainless Steel BallSpecification of Stainless Steel Ball:1. Material Available:AISI 304~ ... Valve, aerosol and finger pump, bearings, and electronic components6. Standard: GB/T-308-2002, GB/T1148-93Production process of Stainless Steel ... , Lapping1, Lapping2, Inspection, Packing.Packing information of Stainless Steel Ball:Oily packing in pouch packing, plastic/tin ...