Customized: | Customized |
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Standard: | API, SGS |
Material: | Tungsten Carbide |
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YINHAI BIT PROFILE ---17 1/2" 215 MT BITS |
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YINHAI TEAM DESIGN CAPABILITY SHOW |
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YINHAI BITS PRODUCTION PROCESS SHOW |
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YINHAI WAREHOUSE - REGULAR SIZE DRILL BITS |
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YINHAI FOREIGN EXBIHITION SHOW-DRILL BITS |
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