pdc drag bit

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[CN] Beijing Faster Drilling Tools Limited [Manufacturer]
Key Products/Services:
Business Overview: Beijing Faster Drilling Tools Limited is one of the most professional manufacturer of tricone bit,PDC diamond bit,hole opener ,drag bit and other drilling t...

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[CN] Zhengzhou LD Diamond Products CO., LTD [Manufacturer]
Key Products/Services:
Business Overview: Zhengzhou LD Diamond Products CO., LTD, located in birth land of Shaolin kungfu-Zhengzhou, China, is a high tech enterprise that specializes in the research...