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Aug 14, 2020 · since its beginning in 1985, numa has become a major manufacturer of dth hammers and bits for the domestic and international drilling industry. the company designs and builds downhole hammers and bits for drilling vertical and horizontal holes 3½ to 50½ inches (89 to 1,283 millimeters) in diameter. to learn more, visit www.numahammers.

Micon products ltd. is a supplier of high quality drill steel for air tracks and boom mounted drills. we supply the complete line of t51 rock drill steel, couplers, drill shanks, bits and accessories. we supply mining and construction industries with standard t51 products as well as non-standard and hard to find items.

China 60.3 mm drill pipe catalog of friction welding drill pipe 2 3/8" g grade with api 5dp, friction welding drill pipe/drill rod 2 3/8" with api 5dp provided by china manufacturerhebei shitan machinery manufacturing co., ltd., page1.

drill pipe box and pin cost exporter from China, we're the most professional supplier from USA with ISO9001 Certification. Also the items have already been certified by mutiple safety certification.We'll offer our drill pipe box and pin cost priducts in top-quality and most favourable value.


drill pipe box and pin cost is the product that we have continued to emerge inside the China market and accomplished great reputation. Our items advertising and marketing network at all more than the China regions. Extra than 10 years, we've got developed into a high-volume, multi-function with the qualities, it could totally meet the demands of the drill pipe box and pin cost industry.

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