Carbon Steel Ball, Stainless Steel Ball manufacturer / supplier in China, offering Stainless Steel Ball 304/304L 4.0mm 4.762mm 5.0mm 5.556mm 7/32 for Bathtubs, Auto Parts Steel Ball, 13.0mm Chrome Steel/ AISI52100/ Gcr15/100cr6 Ball for Bearing Steel Ball, 25.4mm Stainless/304 (L) /316 (L) /420 (C) /440 (C) Steel Ball for Bearing Parts Steel Ball and so on.