Email: zuanlongbits@gmail.com
Tel: +86-029-82612068
Fax: +86-029-82612068
Address:No 66, Changming Road, Xi'an, Shaanxi Province, China
Contact NowConcave Pdc Drill Bits For Sandstone,Limestone Clay Geological PDC Core Bits Water Well Drilling BitsThe four wings normal type concave drill bits suits for f<=10, the reinforced type suites for f<=15Read More
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No 66, Changming Road, Xi'an, Shaanxi Province, China
+86-029-82612068
+86-029-82612068