Stainless Steel Balls, Carbon Steel Balls, Ball Joint manufacturer / supplier in China, offering 4X14, 4X16, 4X19 NRA Nrb Zb G2 G3 Stainless Steel Needle Roller for Bearing Accessories, High Quality G5 3.969mm Si3n4 Structural Zirconia Ceramic Silicon Nitride Ball Deep Groove/Angular Contact/Thrust/Self-Aligning/Insert Ball Bearing, 12.7mm High Purity Zirconia Beads Polished Zirconium Beads From Chinese Factory and so on.