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- PDC Concave Bit
- Xi''an Tydrillbits Co.,Ltd is one of the most famous China PDC concave bit manufacturers,Website:://.tydrillbits.com, welcome to wholesale cheap PDC concave bit, PDC bit for soft hard rock formation from our factory....
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XIAN TYDRILLBITS.CO.LTD
[Verified]
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Negotiable
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