Hunan, China

Main Item: diamond core drilling bit , reamer, core barrels for mining exploration and site investigation
Business Type: Manufacturer, Exporter

Friction - welded drill rods are used for down the hole hammers. The rods consist of a high-quality steel tube with male and female tool joints friction welded onto each end. The rods are available in 4 standard sizes with API type connections. .....

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Liu hui ( Forsun Ultra-hard Material Industry Co.,ltd )
(20~4000 Characters)
Listed on Jul 15, 2013