pecifications: S780, S660, S550, S460, S390, S330, S280, S230, S170, S110, S70Hardness: regular 40-50HRC Special 52-56HRC 56-60HRCDurability:2000~2800 TimesPackage:25kg/bag, 1t/stock, 900kg/barrel, 1t ... ...
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shot blasting machine, cleaning machine ...
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