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Zhengzhou,Henan,China China
Brand Name:MTWK Place of Origin:China Model Number :MTWK-1 Grade :4145H Length :9150 or 9450mm Outer Diamete...
non-magnetic drill collar 1)Out diamete: 3 1/8"~ 14"(inch) 2)Length: 9150+150(mm) 3)standard:API Spec 7 The non-magnetic drill collars
連絡先担当者 Caroline Null
住所 Zhengzhou, Henan
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