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High Resistance Grinding DTH Drill Rods Civil Engineering Usage Customized Color

Hunan New Diamond Construction Machinery Co., Ltd.
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High Resistance Grinding DTH Drill Rods Civil Engineering Usage Customized Color

High Resistance Grinding DTH Drill Rods Civil Engineering Usage Customized Color

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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dth drill pipe

      

water well drill rods

      
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