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Our company mainly researches, designs and manufactures the following products: high pressure dth hammers (which are the most advanced products in the field in china), all kinds of dth bits, eccentric drilling tools for drilling with casing in the cover rocks and loose rocks, all kinds of threaded bits, rc reverse circulation hammers and bits, shank adaptors and coupling sleeves, various kinds of tool joints and drill pipes, and spare parts for drilling …

Hot sale manufacturer boring drill bits for wood , find complete details about hot sale manufacturer boring drill bits for wood,brad point boring bits,boring bits,drill bits for wood from drill bit supplier or manufacturer-mianyang yasen hardware tools co., ltd.

A drill rod is a form of bar stock machined to produce tools such as drill bits, taps, dowel pins, shafts, reamers, files, punches and hammers. it's soft enough to shape but can be heated up to revert back to the hardness. drill rods are manufactured from tool steel …

73mm, 89mm, 91mm, 114.3mm, 139.7mm nw hw casing pipe. description: 1. our nw hw pw casing tubes are of the highest quality ,are manufactured to exacting specifications using advancing maching technoogy. 2. they are manufactured from seamless steel tube by cold drawn.the material is xjy850/30crmnsia which meets the global standard. 3.

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Supplying greatest quality nq drill pipe trader products,we're specialist manufacturer in China.Wining the majority of the vital certifications of its market,our nq drill pipe trader goods are most effective sellers from the nearby and international marketplace. For those who want much more info about our factory and product list,please click the button bellow to verify for it.

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