Stainless Steel Ball, Carbon Steel Ball, Bearing Steel Ball manufacturer / supplier in China, offering High Precision Wear-Resistant Steel Balls 6mm– 12mm Stainless / Chrome / Carbon, Factory High Precision G10 Chrome Steel Balls for Roller Bearings, 0.5– 120mm 92%/95% Al2O3 High Alumina & Zirconia Ceramic Balls for Ball Mill & Polishing and so on.