API drilling pipe: 1) OD: 2 3/8"-5 1/2" 2) grade: E, X, G, S 3) upset type: EU, IU, IEU 4) wall thickness: 7 - 12.7 mm
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NANTONG YONGDA PIPE INDUSTRY INCORPORATED COMPANYVIP会员第13年
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API drilling pipe: 1) OD: 2 3/8"-5 1/2" 2) grade: E, X, G, S 3) upset type: EU, IU, IEU 4) wall thickness: 7 - 12.7 mm
