Mine Drilling Rig - Alibaba.com
China 'Rockmine' drill bit is the brand product of Shandong Rock mine drilling tools co., LTD., Bit specifications and series include: screw bench drill bit, air drill, DTH bit, roller bits, Anchor bit, milling cutters, cutting pick, pile cutting tool, carboloy metal tools, drill rod, connecting sleeve, etc., It is widely used with Betek, Kenner, ...
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