(76 mm to 660 mm) all kinds of specifications with tooth steel teeth three disc bit, single disc bit of PDC bit, composite, core bit, large diameter drill (shaanxi treasure, assembly, jiang

Sue TaiXing) manufacturer produces each kind of type hanging drill pipe, oil pipe hanging card and card casing crane card, etc, including 18 degrees and 90 degrees of side open the door, hang card hang card, etc, head (single

Arm, his arms) rings, security card tile, all kinds of joints, the mud pump, drill, the drill collar and drilling tools accessories, and commonly used renewable supply cast tungsten carbide, (domestic, and into

Mouth) PDC, various kinds of specification (natural, synthetic diamond crystal, drawing together) mode that together, hao tian drilling equipment Co., Ltd. has passed ISO9002 quality system approval

Card, enjoy higher reputation in the industry, and at the same time we purchase of well drilling exploration company after use of the old oil unit disc bit old drilling equipment, such as inventory report expired waste endowment...