20" HDD hole opener
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Introduce
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| Application | Medium formations with high compressive strength, such as medium shale, hard gypsum, medium soft limestone, medium soft sandstone, soft formation with harder interbed, etc. | ||
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Regular Models
Applications
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| PDC Bits | Hole Opener | Roller Cones (Thirds) | Piling Roller Cones |
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No.319-324, F1, Shoulashou Int'l. Autoparts Center,Shijing Road,Hejian City, Hebei Province, China