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The main products of our company are drill collars ,spiral drill collars, No-magnetic drill collars, integral heavy weight drill pipes , stabilizers , No-magnetic stabilizers ,square drill pipes and so on we can also make other types according to different demands.We had ISO9001 Certification and passed the authentication of American Petroleum Association, certificate No. 7-1-0638.Our products are now sold to major oil fields in China and the United Arab Emirates, Ukraine, Russia many other countries ,and have received good reputation among domestic and foreign customers .
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