shannxi hainaisen petroleum technology Co.Ltd

Date: 28th April 2016
83/4" HS662XA 6-Blades boor bits, stalen Body PDC bits, API standaard
PDC BOOR BITS, STALEN LICHAAM BITS, 6 BLADE BOOR, MIDDELLANGE ZACHTE BOOR BOOR, OLIE GOED BOREN BITS,
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