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10 inch high air pressure dth bits . 12 inch high air pressure dth bits. related products. high air pressure dth bits(6-8 inch) high air pressure dth drill bits(4-5 inch) high air pressure dth drill bits(3 inch) inquiry. please feel free to submit your inquiry information to us! our sales manager will contact with you as soon as possible.

Alibaba offers 454 g105 drill pipe 89mm products. about 7% of these are steel pipes. a wide variety of g105 drill pipe 89mm options are available …

Best quality hq bq nq drill pipe drill rod. drill pipe / drill rig / drilling rod 1.whole heat treatment 2.screw thread heat treatment. 3.hard chromed on pin end friction welded drilling rods 73mm to 140mm api standard r780 / 42crmo4 alloy steel, heat treated.

5 1/2" 21.90# s135 fh used drill pipe (1,800 feet / 17.88 metric tons) drill pipe

wall drill bit producer is definitely the product that we've continued to emerge inside the China market and achieved superior reputation. Our items advertising and marketing network at all over the China regions. Extra than ten years, we've created into a high-volume, multi-function in the traits, it may completely meet the demands in the wall drill bit producer industry.


We attach value to innovation, specifically with patents of China on wall drill bit producer, its excellent technology has reached the international sophisticated level, and features a higher reputation inside the wall drill bit producer industry. Our group not merely has outstanding researchers and sector nationwide sales and service network, but also are China clients specified brand producers.

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