Shandong kaitai industrial technologies co.,ltd are the largest metal abrasive ... produces 150000T metal abrasive .The main products are cast steel shot (S780 S660 S550 S460 S390 S330 S280 S230 ... S170 S110 S70), cast steel grit (G10 G12 G14 G16 G18 G25 G40 G50 ... shot, 80 kinds of abrasive products. our products include: Steel shot: S70,S110,S170,S230,S280,S330,S390,S460,S550 ...