Hex Joint Drill Pipe - Holte Drilling Manufacturing
2021-5-19 · We believe in: Innovation is our soul and spirit. Top quality is our life. Purchaser need is our God for Hex 22 Drill Rod, Steel Drill Rods, Tapered Rock Drilling Auger Bit, Rock Drilling Carbide Bits, We have now a experienced crew for international trade.We are able to solve the problem you meet.
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