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Tianjin HJ drilling bits co, ltd is a professional company which importing used and new drilling bits around the world, and also import a large quantity used junk driling bits every month,
Including the steel tooth, TCI tricone, PDC matrix body and steel body OEM Service: No. of R&D Staff: Estimated Annual Sales (USD): US$5 Million - US$10 Million Export Percentage: Quality Control: Legal Representative/CEO: Factory Size (Sq.meters): Factory Location: Corporate Status:
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