Steel Shot, Steel Grit, Steel Cut Wire Shot manufacturer / supplier in China, offering High Carbon Cast Steel Grit G120 Hardness 40-50HRC for Polishing, High Strength Cast Steel Grit G25 G40 G50 for Gear Shot Peening, Abrasive Cast Steel Grit G12 G14 G16 G18 G25 G40 G50 G80 G120 41-66HRC and so on.