Stainless Steel Ball, Carbon Steel Ball, Bearing Steel Ball manufacturer / supplier in China, offering QS AISI 316 420 440c/Grc15 G10 G16 19.5mm Abrasion Proof Stainless/Carbon/Bearing Steel Ball Used for Auto Parts, G10-G1000 0.5-50.8mm Carbon Steel Ball/Stainless Steel Ball/Chrome Steel Ball for Bearing/ Valve/Hardware/Switch/Auto Parts/Pulley/Joint/Power Tool/Guide/Pump, Stainless Steel Balls, for Bearings, Drawers, Sliding Chains, Massage Valves, Large Spheres, 0.5-60mm and so on.