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- Carbide Drag Bit
- Xi'an Tydrillbits Co.,Ltd is one of the most famous China carbide drag bit manufacturers,Website:://.tydrillbits.com, welcome to wholesale cheap carbide drag bit from our factory.The Drag Bits can penetrate softer formations such as stiff clays and M...
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XIAN TYDRILLBITS.CO.LTD
[Verified]
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Negotiable
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