Friction / Aerated Welding DTH Drill Rods API Standard 1000-9500mm Length

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Hunan New Diamond Construction Machinery Co., Ltd.

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Friction / Aerated Welding DTH Drill Rods API Standard 1000-9500mm Length

Contact Now

Friction / Aerated Welding DTH Drill Rods API Standard 1000-9500mm Length

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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