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API Standard Water Well Drill Rods / DTH Drill Tube High Resistance Grinding

Hunan New Diamond Construction Machinery Co., Ltd.
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API Standard Water Well Drill Rods / DTH Drill Tube High Resistance Grinding

API Standard Water Well Drill Rods / DTH Drill Tube High Resistance Grinding

Description We adopts famous domesticlarge steel enterprises(such as Anshan lron and Steel Group corporation and Hengyang Steel Group) production of material to produce drill pipe, and heat treatment ...

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