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drill rod

标签

drill rod

drill pipe for large diameter bored piles

dth drill rod for earthen cofferdam

Factory made 2022 Dth Water Well Drill Pipe Seamless Steel Rod Api Drilling Rod Water Well Dth Drill Rod on promotion

Best Quality Friction Welding 102mm*3000mm API drill rod water well drill pipe on promotion

Water Well Drill rod API 2 7/8" IF API 2 3/8" IF 89mm 2M DTH drill rod