TIPTOP'S 4145H Drill Collar delivery news

2019-12-31 15:23:53 ord46505246

TIPTOP's Drill Collar has been ready to ship. For more details as below:

TIPTOP, 8 1/2" OD, 4145H, 6-5/8" FH P x B, Length: 1.4m~9m, conform to API standard 

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