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suitable for powerful percussive drills and top hammers with high speed drifter,such as Atlas Copco 282 rocket boomer,Atlas Copco 352 rocket boomer jumbo,Atlas Copco D7 roc,Furukawa HCR 1200, Tamrock,and Ingesoll Rand ECM660,the products are widely used in bench and production drilling, extensional drilling , our products with comparative
advantages of the more prominent cost-effective as the famous brand in the world, our products have been recognized as high-quality brand of rock-drilling tools made in China

.