top sale dth drilling bit

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Cs tools is a drill bit china manufacturer, providing you with high quality solid carbide end mill,milling cutter,drill bit and supporting services.welcome to cs tools to purchase solid carbide end mill,milling cutter and drill bit.

Quality dth drill pipe manufacturers & exporterbuy dual-wall rc drill rods rc drill pipes rc hammers rc drill bits from china manufacturer. ... 89mm. 3 1/2" api 2 3/8"reg. 1m-6m. 102mm. 4" api 3 1/2" reg. 1m-6m. 114mm. 4 1/2" api 3 1/2" reg. 1m-6m. 127mm. 5" ... reverse circulation drill rod/drill pipe for sale reverse circulation dual tube ...

50mm 63.5mm 73mm 76mm 89mm dth drill rod, drill pipe all products are manufactured according to international standards, matched with the swedish atlas atlas copco, sandvik (of sandvik), ingersoll-rand (ingersoll-rand) and the rest of the world brand manufacturing company's products, widely used in the earthwork, rock blasting holes, construction of mining, …

Hebei longway petroleum equipment co., ltd. is a company that specially manufactures kinds of petroleum drill pipes and joints.the production base locates in jinzhou, 50 kilometers from shijiazhuang---the capital city of hebei province.

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